Riskcovery

CVE-2026-20023

State
Published
Severity
6.1 Medium
Published
Mar 4, 2026
Updated
Mar 4, 2026
Reserved
Oct 8, 2025

Read the record on cve.org

Description

A vulnerability in the OSPF protocol of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, adjacent attacker to corrupt memory on an affected device, resulting in a denial of service (DoS) condition. This vulnerability is due to memory corruption when parsing OSPF protocol packets. An attacker could exploit this vulnerability by sending crafted OSPF packets to an affected device. A successful exploit could allow the attacker to cause memory corruption causing the affected device to reboot, resulting in a DoS condition.

Scores

CVSSScoreVectorSource
3.16.1 MediumCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:Hcisco

Weaknesses

Affected Products

ProductVersions
Cisco Secure Firewall Adaptive Security Appliance (ASA) SoftwareCisco
  • 9.12.1Affected
  • 9.12.1.2Affected
  • 9.12.1.3Affected
  • 9.12.2Affected
  • 9.12.2.4Affected
  • 9.12.2.5Affected
  • 9.12.2.9Affected
  • 9.12.3Affected
  • 9.12.3.2Affected
  • 9.12.3.7Affected
  • 9.12.4Affected
  • 9.12.3.12Affected
  • 9.12.3.9Affected
  • 9.12.2.1Affected
  • 9.12.4.2Affected
  • 9.12.4.4Affected
  • 9.12.4.7Affected
  • 9.12.4.10Affected
  • 9.12.4.13Affected
  • 9.12.4.8Affected
  • 9.12.4.18Affected
  • 9.12.4.24Affected
  • 9.12.4.26Affected
  • 9.12.4.29Affected
  • 9.12.4.30Affected
  • and 134 more versions
Cisco Secure Firewall Threat Defense (FTD) SoftwareCisco
  • 6.4.0Affected
  • 6.4.0.1Affected
  • 6.4.0.3Affected
  • 6.4.0.2Affected
  • 6.4.0.4Affected
  • 6.4.0.5Affected
  • 6.4.0.6Affected
  • 6.4.0.7Affected
  • 6.4.0.8Affected
  • 6.4.0.9Affected
  • 6.4.0.10Affected
  • 6.4.0.11Affected
  • 6.4.0.12Affected
  • 6.4.0.13Affected
  • 6.4.0.14Affected
  • 6.4.0.15Affected
  • 6.4.0.16Affected
  • 6.4.0.17Affected
  • 6.4.0.18Affected
  • 7.0.0Affected
  • 7.0.0.1Affected
  • 7.0.1Affected
  • 7.0.1.1Affected
  • 7.0.2Affected
  • 7.0.2.1Affected
  • and 50 more versions

References

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