All vulnerabilities

Servers and applications

CVE-2020-3529

A vulnerability in the SSL VPN negotiation process for Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a reload of an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to inefficient direct memory access (DMA) memory management during the…

Severity
High 7.5
Published
21 Oct 2020
Last changed
11 Aug 2026
Added to UpHeron
1 Nov 2026
Fixed in
9.8.4.29, 9.9.2.80, 9.10.1.44, 9.12.4.4, 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 9.6.4.45
Cisco ASA and Firepower Threat DefenseServers and applications · cpe:o:cisco:adaptive_security_appliance_software
  • From 9.8.0 before 9.8.4.29
  • From 9.9.0 before 9.9.2.80
  • From 9.10.0 before 9.10.1.44
  • From 9.12.0 before 9.12.4.4
  • 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-2020-3529
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-3529