All vulnerabilities

Servers and applications

CVE-2023-20107

A vulnerability in the deterministic random bit generator (DRBG), also known as pseudorandom number generator (PRNG), in Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software for Cisco ASA 5506-X, ASA 5508-X, and ASA 5516-X Firewalls could allow an unauthenticated, remote attacker to cause a cryptographic collision, enabling the attacker to discover…

Severity
High 7.5
Published
23 Mar 2023
Last changed
11 Aug 2026
Added to UpHeron
1 Nov 2026
Fixed in
9.12.1
Sources
NVD

Affected software

SoftwareAffected versions
Cisco ASA and Firepower Threat DefenseServers and applications · cpe:a:cisco:adaptive_security_appliance
  • Every version before 9.12.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-20107
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-20107