All vulnerabilities

Servers and applications

CVE-2021-1445

Multiple vulnerabilities in Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. These vulnerabilities are due to lack of proper input validation of the HTTPS request. An attacker could exploit these vulnerabilities by sending a crafted HTTPS…

Severity
High 7.5
Published
29 Apr 2021
Last changed
11 Aug 2026
Added to UpHeron
1 Nov 2026
Fixed in
9.8.4.34, 9.9.2.85, 9.12.4.13, 9.13.1.21, 9.14.2.8, 9.15.1.7
Sources
NVD

Affected software

SoftwareAffected versions
Cisco ASA and Firepower Threat DefenseServers and applications · cpe:o:cisco:adaptive_security_appliance_software
  • From 9.7 before 9.8.4.34
  • From 9.9 before 9.9.2.85
  • From 9.10 before 9.12.4.13
  • From 9.13 before 9.13.1.21
  • From 9.14 before 9.14.2.8
  • From 9.15 before 9.15.1.7

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-1445
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-1445