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Servers and applications

CVE-2020-3528

A vulnerability in the OSPF Version 2 (OSPFv2) implementation of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service (DoS) condition. The vulnerability is due to incomplete input validation when the affected software processes…

Severity
High 7.5
Published
21 Oct 2020
Last changed
11 Aug 2026
Added to UpHeron
1 Nov 2026
Fixed in
9.8.4.26, 9.9.2.80, 9.10.1.44, 9.12.4.4, 9.13.1.13, 9.14.1.19
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
Cisco ASA and Firepower Threat DefenseServers and applications · cpe:o:cisco:adaptive_security_appliance_software
  • From 9.8.0 before 9.8.4.26
  • 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 9.14.1.19

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-3528
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-3528