CVE-2026-20303

Medienbericht

EPSS 0.31%
Veröffentlicht 05.08.2026 16:29:52
Zuletzt bearbeitet 14.08.2026 21:17:15
Erkennungen
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Cisco Catalyst SD-WAN Security Hardening Release - Input Validation Vulnerabilities

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Catalyst SD-WAN engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities.

The vulnerabilities tracked by CVE-2026-20303 are related to improper input validation issues that are grouped under the Common Weakness Enumeration (CWE) CWE-20.

Betroffene Produkte Warnungen 0 Metriken 2 CWE 1 Referenzen 8

CNA 2 VulnDex Vulnerability Enrichment 1

Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).

HerstellerCisco

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Produkt Cisco Catalyst SD-WAN Controller

Default Statusunknown

Version 20.6.4

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Version 20.9.2

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Version 20.3.6

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Version 20.7.2

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Version 20.7.1

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Version 20.5.1

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Version 20.6.2

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Version 19.3.0

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Version 20.6.1

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Version 17.2.4

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Version 18.2.0

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Version 18.4.6

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Version 19.1.0

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Version 19.2.4

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Version 19.2.929

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Version 18.3.8

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Version 18.4.303

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Version 18.3.7

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Version 18.4.1

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Version 19.2.097

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Version 19.2.0

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Version 19.2.099

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Version 18.3.6

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Version 20.4.2

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Version 19.0.0

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Version 20.9.1

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Version 20.3.5

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Version 20.3.1

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Version 18.3.5

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Version 20.6.3

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Version 18.4.3

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Version 18.4.4

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Version 18.3.3

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Version 17.2.8

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Version 20.8.1

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Version 19.2.32

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Version 19.2.2

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Version 17.2.5

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Version 18.4.0

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Version 20.4.1.1

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Version 20.1.3

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Version 20.1.2

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Version 17.2.10

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Version 19.2.098

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Version 20.1.1

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Version 17.2.6

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Version 19.2.1

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Version 18.3.4

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Version 20.4.1

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Version 17.2.9

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Version 19.2.31

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Version 19.0.1a

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Version 18.3.0

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Version 17.2.7

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Version 18.4.5

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Version 20.3.4

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Version 20.3.3

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Version 20.4.1.2

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Version 20.3.2

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Version 18.3.1

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Version 20.1.12

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Version 19.2.3

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Version 20.10.1

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Version 20.6.5

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Version 20.3.7

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Version 20.9.3

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Version 20.11.1

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Version 20.6.3.2

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Version 20.4.2.3

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Version 20.3.5.1

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Version 20.3.4.3

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Version 20.9.3.1

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Version 20.6.4.1

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Version 20.3.3.2

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Version 20.6.5.2

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Version 20.3.7.1

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Version 20.11.1.1

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Version 20.10.1.1

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Version 20.6.1.2

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Version 20.1.3.1

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Version 20.9.2.2

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Version 20.6.5.3

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Version 20.6.3.3

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Version 20.3.7.2

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Version 20.6.5.4

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Version 20.9.2.3

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Version 20.9.4

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Version 20.12.1

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Version 20.3.8

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Version 20.6.6

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Version 20.12.2

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Version 20.13.1

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Version 20.9.5

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Version 20.12.3

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Version 20.6.7

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Version 20.9.5.1

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Version 20.14.1

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Version 20.12.3.1

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Version 20.12.4

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Version 20.15.1

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Version 20.9.6

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Version 20.6.8

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Version 20.16.1

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Version 20.9.5.3

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Version 20.12.4.1

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Version 20.15.2

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Version 20.12.5

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Version 20.9.7

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Version 20.15.3

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Version 20.12.5.1

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Version 20.12.5.2

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Version 20.15.4

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Version 20.9.7.1

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Version 20.18.1

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Version 20.12.6

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Version 20.9.8

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Version 20.15.4.1

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Version 20.18.2

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Version 26.1.1

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Version 20.15.4.2

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Version 20.18.2.1

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Version 20.12.5.3

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Version 20.12.6.1

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Version 20.9.8.2

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Version 20.15.5

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Version 20.18.3

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Version 20.12.7

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Version 20.9.9

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Version 20.18.2.2

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Version 20.12.5.4

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Version 20.12.7.1

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Version 20.15.5.1

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Version 20.15.4.3

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Version 20.12.6.2

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Version 20.15.5.2

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Version 20.15.4.4

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Version 26.1.1.1

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Version 20.9.9.1

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Version 20.18.3.1

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Version 26.1.1.2

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Version 20.15.4.5

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Version 20.15.5.3

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Version 20.12.7.2

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Version 20.9.9.2

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Version 20.15.6

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HerstellerCisco

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Produkt Cisco Catalyst SD-WAN Manager

Default Statusunknown

Version 20.1.12

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Version 19.2.1

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Version 18.4.4

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Version 18.4.5

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Version 20.1.1.1

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Version 20.1.1

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Version 19.3.0

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Version 19.2.2

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Version 19.2.099

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Version 18.3.6

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Version 18.3.7

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Version 19.2.0

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Version 18.3.8

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Version 19.0.0

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Version 19.1.0

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Version 18.4.302

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Version 18.4.303

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Version 19.2.097

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Version 19.2.098

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Version 17.2.10

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Version 18.3.6.1

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Version 19.0.1a

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Version 18.2.0

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Version 18.4.3

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Version 18.4.1

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Version 17.2.8

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Version 18.3.3.1

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Version 18.4.0

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Version 18.3.1

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Version 17.2.6

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Version 17.2.9

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Version 18.3.4

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Version 17.2.5

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Version 18.3.1.1

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Version 18.3.5

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Version 18.4.0.1

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Version 18.3.3

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Version 17.2.7

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Version 17.2.4

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Version 18.3.0

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Version 19.2.3

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Version 18.4.501_ES

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Version 20.3.1

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Version 20.1.2

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Version 19.2.929

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Version 19.2.31

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Version 20.3.2

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Version 19.2.32

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Version 20.3.2_925

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Version 20.3.2.1

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Version 20.3.2.1_927

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Version 18.4.6

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Version 20.1.2_937

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Version 20.4.1

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Version 20.3.2_928

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Version 20.3.2_929

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Version 20.4.1.0.1

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Version 20.3.2.1_930

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Version 19.2.4

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Version 20.5.0.1.1

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Version 20.4.1.1

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Version 20.3.3

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Version 19.2.4.0.1

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Version 20.3.2_937

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Version 20.3.3.1

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Version 20.5.1

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Version 20.1.3

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Version 20.3.3.0.4

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Version 20.3.3.1.2

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Version 20.3.3.1.1

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Version 20.4.1.2

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Version 20.3.3.0.2

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Version 20.4.1.1.5

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Version 20.4.1.0.01

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Version 20.4.1.0.02

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Version 20.3.3.1.7

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Version 20.3.3.1.5

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Version 20.5.1.0.1

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Version 20.3.3.1.10

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Version 20.3.3.0.8

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Version 20.4.2

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Version 20.4.2.0.1

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Version 20.3.4

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Version 20.3.3.0.14

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Version 19.2.4.0.8

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Version 19.2.4.0.9

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Version 20.3.4.0.1

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Version 20.3.2.0.5

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Version 20.6.1

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Version 20.5.1.0.2

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Version 20.3.3.0.17

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Version 20.6.1.1

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Version 20.6.0.18.3

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Version 20.3.2.0.6

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Version 20.6.0.18.4

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Version 20.4.2.0.2

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Version 20.3.3.0.16

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Version 20.3.4.0.5

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Version 20.6.1.0.1

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Version 20.3.4.0.6

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Version 20.6.2

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Version 20.7.1EFT2

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Version 20.3.4.0.9

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Version 20.3.4.0.11

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Version 20.4.2.0.4

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Version 20.3.3.0.18

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Version 20.7.1

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Version 20.6.2.1

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Version 20.3.4.1

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Version 20.5.1.1

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Version 20.4.2.1

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Version 20.4.2.1.1

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Version 20.3.4.1.1

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Version 20.3.813

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Version 20.3.4.0.19

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Version 20.4.2.2.1

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Version 20.5.1.2

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Version 20.3.4.2

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Version 20.3.814

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Version 20.4.2.2

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Version 20.6.2.2

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Version 20.3.4.2.1

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Version 20.7.1.1

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Version 20.3.4.1.2

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Version 20.6.2.2.2

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Version 20.3.4.0.20

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Version 20.6.2.2.3

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Version 20.4.2.2.2

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Version 20.3.5

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Version 20.6.2.0.4

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Version 20.4.2.2.3

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Version 20.3.4.0.24

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Version 20.6.2.2.7

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Version 20.6.3

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Version 20.3.4.2.2

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Version 20.4.2.2.4

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Version 20.7.1.0.2

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Version 20.8.1

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Version 20.3.5.0.8

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Version 20.3.5.0.9

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Version 20.4.2.2.8

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Version 20.3.5.0.7

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Version 20.6.3.0.7

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Version 20.6.3.0.5

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Version 20.6.3.0.10

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Version 20.6.3.0.2

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Version 20.7.2

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Version 20.9.1EFT2

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Version 20.6.3.0.11

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Version 20.6.3.1

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Version 20.6.3.0.14

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Version 20.6.4

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Version 20.9.1

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Version 20.6.3.0.19

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Version 20.6.3.0.18

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Version 20.3.6

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Version 20.9.1.1

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Version 20.6.3.0.23

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Version 20.6.4.0.4

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Version 20.6.3.0.25

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Version 20.6.5

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Version 20.6.3.0.27

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Version 20.9.2

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Version 20.9.2.1

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Version 20.6.3.0.29

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Version 20.6.3.0.31

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Version 20.6.3.0.32

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Version 20.10.1

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Version 20.6.3.0.33

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Version 20.9.2.0.01

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Version 20.3.7

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Version 20.9.3

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Version 20.6.5.1

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Version 20.11.1

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Version 20.6.3.1.1

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Version 20.6.5.1.2

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Version 20.9.3.0.3

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Version 20.4.2.3

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Version 20.6.4.1

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Version 20.6.3.0.38

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Version 20.6.3.0.39

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Version 20.3.5.1

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Version 20.3.4.3

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Version 20.9.3.1

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Version 20.3.3.2

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Version 20.6.5.2

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Version 20.3.7.1

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Version 20.10.1.1

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Version 20.6.5.2.1

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Version 20.3.4.0.25

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Version 20.6.2.2.4

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Version 20.6.1.2

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Version 20.11.1.1

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Version 20.9.3.0.5

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Version 20.3.4.0.26

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Version 20.6.5.1.3

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Version 20.6.3.0.40

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Version 20.1.3.1

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Version 20.9.2.2

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Version 20.6.5.2.3

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Version 20.6.5.1.4

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Version 20.6.3.0.41

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Version 20.6.4.0.19

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Version 20.6.5.1.6

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Version 20.9.3.0.8

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Version 20.6.3.3

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Version 20.3.7.2

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Version 20.6.5.4

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Version 20.9.3.0.16

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Version 20.6.3.0.45

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Version 20.6.5.1.10

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Version 20.9.3.0.17

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Version 20.6.4.0.21

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Version 20.6.3.0.46

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Version 20.9.3.0.21

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Version 26.1.1.1_LI_Images

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Version 26.1.1.1

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Version 26.1.1.2

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VulnDex Vulnerability Enrichment

Diese Information steht angemeldeten Benutzern zur Verfügung.

Zu dieser CVE wurde keine Warnung gefunden.

EPSS Metriken
Typ	Quelle	Score	Percentile
EPSS	FIRST.org	0.31%	0.236

CVSS Metriken
Quelle	Base Score	Exploit Score	Impact Score	Vector String
Cisco PSIRT	9.9	3.1	6	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CWE-20 Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

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VulnDex Intel

Media Report

10.08.2026 18:54

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VulnDex Intel

Media Report

07.08.2026 10:16

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VulnDex Intel

Media Report

06.08.2026 20:31

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-sdwan-faLcR3K

https://www.cve.org/Media/News/item/blog/2026/06/16/Preserving-Vulnerability-Level-Identification

https://nvd.nist.gov/vuln/detail/CVE-2026-20303

CVE Source (NVD)

https://cveawg.mitre.org/api/cve/CVE-2026-20303

CVE Source (JSON)

https://euvd.enisa.europa.eu/vulnerability/CVE-2026-20303

EUVD

Team-orientierte Vulnerability Management Plattform

Features der Plattform

CVE-2026-20303