All vulnerabilities

Servers and applications

CVE-2023-20006

A vulnerability in the hardware-based SSL/TLS cryptography functionality of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software for Cisco Firepower 2100 Series Appliances could allow an unauthenticated, remote attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to…

Severity
High 7.5
Published
28 Jun 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 9.16.4
  • Version 9.18.2
  • Version 9.18.2.5

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-20006
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-20006