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Servers and applications

CVE-2023-20264

A vulnerability in the implementation of Security Assertion Markup Language (SAML) 2.0 single sign-on (SSO) for remote access VPN in Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to intercept the SAML assertion of a user who is authenticating to a remote access VPN session. This vulnerability is…

Severity
Medium 6.1
Published
1 Nov 2023
Last changed
11 Aug 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
Cisco ASA and Firepower Threat DefenseServers and applications · cpe:o:cisco:adaptive_security_appliance_software
  • From 9.18.1 up to 9.18.3.46
  • From 9.19.1.5 up to 9.19.1.12

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-20264
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-20264