All vulnerabilities

Servers and applications

CVE-2022-20760

A vulnerability in the DNS inspection handler of Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service condition (DoS) on an affected device. This vulnerability is due to a lack of proper processing of incoming requests. An attacker could exploit this vulnerability by sending…

Severity
High 7.5
Published
3 May 2022
Last changed
11 Aug 2026
Added to UpHeron
1 Nov 2026
Fixed in
9.12.4.38, 9.14.4, 9.15.1.21, 9.16.2.14, 9.17.1.7
Sources
NVD

Affected software

SoftwareAffected versions
Cisco ASA and Firepower Threat DefenseServers and applications · cpe:o:cisco:adaptive_security_appliance_software
  • Every version before 9.12.4.38
  • From 9.13.0 before 9.14.4
  • From 9.15.0 before 9.15.1.21
  • From 9.16.0 before 9.16.2.14
  • From 9.17.0 before 9.17.1.7

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2022-20760
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2022-20760