All vulnerabilities

Servers and applications

CVE-2021-1422

A vulnerability in the software cryptography module of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, remote attacker or an unauthenticated attacker in a man-in-the-middle position to cause an unexpected reload of the device that results in a denial of service (DoS) condition. The vulnerability is due to a logic…

Severity
High 7.7
Published
16 Jul 2021
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 9.16.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-1422
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-1422