8.6

CVE-2026-20250

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software for Firepower 3100 and 4200 Series DTLS Denial of Service Vulnerability

A vulnerability in Datagram TLS (DTLS) message handling of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software for Cisco Secure Firewall 3100 Series and 4200 Series devices could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.

This vulnerability is due to improper resource management when processing certain DTLS messages. An attacker could exploit this vulnerability by sending a crafted stream of DTLS traffic to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.
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 9.23.1
Status affected
Version 9.22.1.1
Status affected
Version 9.22.1.3
Status affected
Version 9.22.1.6
Status affected
Version 9.22.2
Status affected
Version 9.23.1.3
Status affected
Version 9.22.2.4
Status affected
Version 9.23.1.7
Status affected
Version 9.22.2.9
Status affected
Version 9.23.1.13
Status affected
Version 9.22.2.13
Status affected
Version 9.23.1.19
Status affected
Version 9.22.2.14
Status affected
Version 9.24.1
Status affected
Version 9.23.1.22
Status affected
Version 9.22.2.20
Status affected
Version 9.23.1.26
Status affected
HerstellerCisco
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Produkt Cisco Secure Firewall Threat Defense (FTD) Software
Default Statusunknown
Version 7.6.0
Status affected
Version 7.7.0
Status affected
Version 7.6.1
Status affected
Version 7.6.2
Status affected
Version 7.7.10
Status affected
Version 7.7.11
Status affected
Version 7.6.2.1
Status affected
Version 7.7.10.1
Status affected
Version 7.6.4
Status affected
Version 10.0.0
Status affected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.55% 0.448
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-772 Missing Release of Resource after Effective Lifetime

The product does not release a resource after its effective lifetime has ended, i.e., after the resource is no longer needed.

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-dtls-dos-Kp57HkyO