UpHeron
All vulnerabilities

Servers and applications

CVE-2020-3554

A vulnerability in the TCP packet processing of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to a memory exhaustion condition. An attacker could exploit this vulnerability by sending a high rate of…

Severity
High 7.5
Published
21 Oct 2020
Last changed
11 Aug 2026
Added to UpHeron
1 Nov 2026
Fixed in
9.12.4.3, 9.13.1.13, 9.14.1.30
Sources
NVD

Affected software

SoftwareAffected versions
Cisco ASA and Firepower Threat DefenseServers and applications · cpe:a:cisco:adaptive_security_appliance
  • Every version before 9.12.4.3
Cisco ASA and Firepower Threat DefenseServers and applications · cpe:o:cisco:adaptive_security_appliance_software
  • From 9.13.0 before 9.13.1.13
  • From 9.14.0 before 9.14.1.30

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-3554
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-3554