8.6

CVE-2026-20154

Cisco Secure Firewall Adaptive Security Appliance Software and Secure Firewall Threat Defense Software Logging Denial of Service

A vulnerability in the system rate-limiting process for syslog message 419002 of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause high CPU utilization on an affected device, resulting in a denial of service (DoS) condition.

This vulnerability is due to improper rate limiting for syslog message 419002. An attacker could exploit this vulnerability by sending a flood of TCP synchronization (SYN) packets to an affected device. A successful exploit could allow the attacker to cause high CPU utilization, resulting in performance degradation. 
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerCisco
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Produkt Cisco Secure Firewall Adaptive Security Appliance (ASA) Software
Default Statusunknown
Version 9.16.1
Status affected
Version 9.16.1.28
Status affected
Version 9.16.2
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Version 9.16.2.3
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Version 9.16.2.7
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Version 9.16.2.11
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Version 9.16.2.13
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Version 9.16.2.14
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Version 9.16.3.3
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Version 9.16.3
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Version 9.16.3.14
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Version 9.18.1
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Version 9.16.3.15
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Version 9.18.1.3
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Version 9.18.2
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Version 9.16.3.19
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Version 9.16.3.23
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Version 9.18.2.5
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Version 9.16.4
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Version 9.18.2.7
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Version 9.19.1
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Version 9.16.4.9
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Version 9.18.2.8
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Version 9.16.4.14
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Version 9.18.3
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Version 9.19.1.5
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Version 9.16.4.18
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Version 9.19.1.9
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Version 9.18.3.39
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Version 9.16.4.19
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Version 9.19.1.12
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Version 9.18.3.46
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Version 9.16.4.27
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Version 9.19.1.18
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Version 9.18.3.53
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Version 9.18.3.55
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Version 9.16.4.38
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Version 9.16.4.39
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Version 9.18.3.56
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Version 9.20.1
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Version 9.16.4.42
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Version 9.19.1.22
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Version 9.18.4
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Version 9.20.1.5
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Version 9.18.4.5
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Version 9.19.1.24
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Version 9.16.4.48
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Version 9.18.4.8
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Version 9.20.2
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Version 9.19.1.27
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Version 9.16.4.55
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Version 9.18.4.22
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Version 9.20.2.10
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Version 9.16.4.57
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Version 9.19.1.28
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Version 9.18.4.24
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Version 9.20.2.21
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Version 9.16.4.61
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Version 9.19.1.31
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Version 9.18.4.29
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Version 9.20.2.22
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Version 9.16.4.62
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Version 9.18.4.34
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Version 9.20.3
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Version 9.16.4.67
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Version 9.16.4.70
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Version 9.18.4.40
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Version 9.23.1
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Version 9.22.1.1
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Version 9.16.4.71
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Version 9.20.3.4
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Version 9.18.4.47
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Version 9.20.3.7
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Version 9.19.1.37
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Version 9.16.4.76
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Version 9.20.3.9
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Version 9.19.1.38
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Version 9.18.4.50
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Version 9.22.1.3
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Version 9.20.3.10
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Version 9.22.1.2
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Version 9.18.4.52
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Version 9.20.3.13
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Version 9.22.1.6
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Version 9.18.4.53
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Version 9.16.4.82
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Version 9.22.2
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Version 9.20.3.16
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Version 9.19.1.42
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Version 9.18.4.57
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Version 9.16.4.84
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Version 9.23.1.3
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Version 9.20.3.20
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Version 9.22.2.4
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Version 9.23.1.7
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Version 9.20.4
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Version 9.22.2.9
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Version 9.23.1.13
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Version 9.20.4.7
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Version 9.22.2.13
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Version 9.18.4.66
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Version 9.20.4.10
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Version 9.23.1.19
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Version 9.16.4.85
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Version 9.22.2.14
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Version 9.18.4.67
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Version 9.18.4.68
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Version 9.23.1.22
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Version 9.20.4.14
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Version 9.22.2.20
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HerstellerCisco
≫
Produkt Cisco Secure Firewall Threat Defense (FTD) Software
Default Statusunknown
Version 7.0.0
Status affected
Version 7.0.0.1
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Version 7.0.1
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Version 7.0.1.1
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Version 7.0.2
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Version 7.2.0
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Version 7.0.2.1
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Version 7.0.3
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Version 7.2.0.1
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Version 7.0.4
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Version 7.2.1
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Version 7.0.5
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Version 7.3.0
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Version 7.2.2
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Version 7.2.3
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Version 7.3.1
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Version 7.2.4
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Version 7.0.6
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Version 7.2.5
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Version 7.2.4.1
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Version 7.3.1.1
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Version 7.4.0
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Version 7.0.6.1
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Version 7.2.5.1
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Version 7.4.1
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Version 7.2.6
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Version 7.0.6.2
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Version 7.4.1.1
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Version 7.2.7
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Version 7.2.5.2
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Version 7.3.1.2
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Version 7.2.8
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Version 7.6.0
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Version 7.4.2
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Version 7.2.8.1
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Version 7.0.6.3
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Version 7.4.2.1
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Version 7.2.9
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Version 7.0.7
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Version 7.7.0
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Version 7.4.2.2
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Version 7.2.10
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Version 7.6.1
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Version 7.4.2.3
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Version 7.0.8
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Version 7.6.2
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Version 7.7.10
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Version 7.7.11
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Version 7.0.8.1
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Version 7.6.2.1
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Version 7.7.10.1
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Version 7.4.2.4
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Version 7.2.10.2
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Version 7.4.3
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Version 7.6.4
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Version 7.4.4
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VulnDex Vulnerability Enrichment
Diese Information steht angemeldeten Benutzern zur Verfügung. Login Login
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.4% 0.344
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
Cisco PSIRT 8.6 3.9 4
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')

The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-ftd-logging-dos-ZXXNesfN