UpHeron
All vulnerabilities

Servers and applications

CVE-2021-34792

A vulnerability in the memory management 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 (DoS) condition on an affected device. This vulnerability is due to improper resource management when connection rates are high. An attacker could exploit this vulnerability by opening…

Severity
High 7.5
Published
27 Oct 2021
Last changed
11 Aug 2026
Added to UpHeron
1 Nov 2026
Fixed in
9.8.4.40, 9.12.4.29, 9.14.3.9, 9.15.1.17, 9.16.2.3
Sources
NVD

Affected software

SoftwareAffected versions
Cisco ASA and Firepower Threat DefenseServers and applications · cpe:o:cisco:adaptive_security_appliance_software
  • From 9.8.0 before 9.8.4.40
  • From 9.12.0 before 9.12.4.29
  • From 9.14.0 before 9.14.3.9
  • From 9.15.0 before 9.15.1.17
  • From 9.16.0 before 9.16.2.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-34792
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-34792