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All vulnerabilities

Servers and applications

CVE-2020-3373

A vulnerability in the IP fragment-handling implementation of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a memory leak on an affected device. This memory leak could prevent traffic from being processed through the device, resulting in a denial of service (DoS) condition. The…

Severity
High 8.6
Published
21 Oct 2020
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 9.8.4.22
  • Version 9.8.4.25
  • Version 9.12.4.2
  • Version 9.12.4.3
  • Version 9.13.1.12
  • Version 9.14.1.15

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-3373
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-3373