UpHeron
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Servers and applications

CVE-2024-20355

A vulnerability in the implementation of SAML 2.0 single sign-on (SSO) for remote access VPN services in Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, remote attacker to successfully establish a VPN session on an affected device. This vulnerability is due to improper separation of authorization domains when using…

Severity
Medium 5.0
Published
22 May 2024
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
  • Version 9.19.1.9
  • Version 9.19.1.5
  • Version 9.19.1
  • Version 9.18.3.39
All 153 release lines
  • Version 9.8.2.28
  • Version 9.8.2.33
  • Version 9.8.2.35
  • Version 9.8.2.38
  • Version 9.8.3
  • Version 9.8.3.8
  • Version 9.8.3.11
  • Version 9.8.3.14
  • Version 9.8.3.16
  • Version 9.8.3.18
  • Version 9.8.3.21
  • Version 9.8.3.26
  • Version 9.8.3.29
  • Version 9.8.4
  • Version 9.8.4.3
  • Version 9.8.4.7
  • Version 9.8.4.8
  • Version 9.8.4.10
  • Version 9.8.4.12
  • Version 9.8.4.15
  • Version 9.8.4.17
  • Version 9.8.4.20
  • Version 9.8.4.22
  • Version 9.8.4.25
  • Version 9.8.4.26
  • Version 9.8.4.29
  • Version 9.8.4.32
  • Version 9.8.4.33
  • Version 9.8.4.34
  • Version 9.8.4.35
  • Version 9.8.4.39
  • Version 9.8.4.40
  • Version 9.8.4.41
  • Version 9.8.4.43
  • Version 9.8.4.44
  • Version 9.8.4.45
  • Version 9.8.4.46
  • Version 9.8.4.48
  • Version 9.12.1
  • Version 9.12.1.2
  • Version 9.12.1.3
  • Version 9.12.2
  • Version 9.12.2.1
  • Version 9.12.2.4
  • Version 9.12.2.5
  • Version 9.12.2.9
  • Version 9.12.3
  • Version 9.12.3.2
  • Version 9.12.3.7
  • Version 9.12.3.9
  • Version 9.12.3.12
  • Version 9.12.4
  • Version 9.12.4.2
  • Version 9.12.4.4
  • Version 9.12.4.7
  • Version 9.12.4.8
  • Version 9.12.4.10
  • Version 9.12.4.13
  • Version 9.12.4.18
  • Version 9.12.4.24
  • Version 9.12.4.26
  • Version 9.12.4.29
  • Version 9.12.4.30
  • Version 9.12.4.35
  • Version 9.12.4.37
  • Version 9.12.4.38
  • Version 9.12.4.39
  • Version 9.12.4.40
  • Version 9.12.4.41
  • Version 9.12.4.47
  • Version 9.12.4.48
  • Version 9.12.4.50
  • Version 9.12.4.52
  • Version 9.12.4.54
  • Version 9.12.4.55
  • Version 9.12.4.56
  • Version 9.12.4.58
  • Version 9.14.1
  • Version 9.14.1.6
  • Version 9.14.1.10
  • Version 9.14.1.15
  • Version 9.14.1.19
  • Version 9.14.1.30
  • Version 9.14.2
  • Version 9.14.2.4
  • Version 9.14.2.8
  • Version 9.14.2.13
  • Version 9.14.2.15
  • Version 9.14.3
  • Version 9.14.3.1
  • Version 9.14.3.9
  • Version 9.14.3.11
  • Version 9.14.3.13
  • Version 9.14.3.15
  • Version 9.14.3.18
  • Version 9.14.4
  • Version 9.14.4.6
  • Version 9.14.4.7
  • Version 9.14.4.12
  • Version 9.14.4.13
  • Version 9.14.4.14
  • Version 9.14.4.15
  • Version 9.14.4.17
  • Version 9.14.4.22
  • Version 9.14.4.23
  • Version 9.14.4.24
  • Version 9.15.1
  • Version 9.15.1.1
  • Version 9.15.1.7
  • Version 9.15.1.10
  • Version 9.15.1.15
  • Version 9.15.1.16
  • Version 9.15.1.17
  • Version 9.15.1.21
  • Version 9.16.1
  • Version 9.16.1.28
  • Version 9.16.2
  • Version 9.16.2.3
  • Version 9.16.2.7
  • Version 9.16.2.11
  • Version 9.16.2.13
  • Version 9.16.2.14
  • Version 9.16.3
  • Version 9.16.3.3
  • Version 9.16.3.14
  • Version 9.16.3.15
  • Version 9.16.3.19
  • Version 9.16.3.23
  • Version 9.16.4
  • Version 9.16.4.9
  • Version 9.16.4.14
  • Version 9.16.4.18
  • Version 9.16.4.19
  • Version 9.17.1
  • Version 9.17.1.7
  • Version 9.17.1.9
  • Version 9.17.1.10
  • Version 9.17.1.11
  • Version 9.17.1.13
  • Version 9.17.1.15
  • Version 9.17.1.20
  • Version 9.17.1.30
  • Version 9.18.1
  • Version 9.18.1.3
  • Version 9.18.2
  • Version 9.18.2.5
  • Version 9.18.2.7
  • Version 9.18.2.8
  • Version 9.18.3
  • Version 9.18.3.39
  • Version 9.19.1
  • Version 9.19.1.5
  • Version 9.19.1.9

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2024-20355
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2024-20355