UpHeron
All vulnerabilities

Servers and applications

CVE-2023-20081

A vulnerability in the IPv6 DHCP (DHCPv6) client module of Cisco Adaptive Security Appliance (ASA) Software, Cisco Firepower Threat Defense (FTD) Software, Cisco IOS Software, and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient validation of DHCPv6 messages. An…

Severity
Medium 5.9
Published
23 Mar 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
  • Version 9.17.1
  • Version 9.16.2.11
  • Version 9.16.2.7
  • Version 9.16.2.3
All 159 release lines
  • Version 9.8.1
  • Version 9.8.1.5
  • Version 9.8.1.7
  • Version 9.8.2
  • Version 9.8.2.8
  • Version 9.8.2.14
  • Version 9.8.2.15
  • Version 9.8.2.17
  • Version 9.8.2.20
  • Version 9.8.2.24
  • Version 9.8.2.26
  • Version 9.8.2.28
  • Version 9.8.2.33
  • Version 9.8.2.35
  • Version 9.8.2.38
  • Version 9.8.2.45
  • 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 9.9.1
  • Version 9.9.1.2
  • Version 9.9.1.3
  • Version 9.9.1.4
  • Version 9.9.1.5
  • Version 9.9.2
  • Version 9.9.2.1
  • Version 9.9.2.9
  • Version 9.9.2.14
  • Version 9.9.2.18
  • Version 9.9.2.25
  • Version 9.9.2.27
  • Version 9.9.2.32
  • Version 9.9.2.36
  • Version 9.9.2.40
  • Version 9.9.2.47
  • Version 9.9.2.50
  • Version 9.9.2.52
  • Version 9.9.2.56
  • Version 9.9.2.59
  • Version 9.9.2.61
  • Version 9.9.2.66
  • Version 9.9.2.67
  • Version 9.9.2.74
  • Version 9.9.2.80
  • Version 9.9.2.83
  • Version 9.9.2.85
  • Version 9.9.2.235
  • Version 9.10.1
  • Version 9.10.1.2
  • Version 9.10.1.7
  • Version 9.10.1.10
  • Version 9.10.1.11
  • Version 9.10.1.17
  • Version 9.10.1.22
  • Version 9.10.1.27
  • Version 9.10.1.30
  • Version 9.10.1.32
  • Version 9.10.1.37
  • Version 9.10.1.40
  • Version 9.10.1.42
  • Version 9.10.1.44
  • 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 9.13.1
  • Version 9.13.1.2
  • Version 9.13.1.7
  • Version 9.13.1.10
  • Version 9.13.1.12
  • Version 9.13.1.13
  • Version 9.13.1.16
  • Version 9.13.1.19
  • Version 9.13.1.21
  • 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 9.15.1
  • 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 9.17.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-20081
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-20081