Riskcovery

CVE-2026-20329

Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Exceptional Conditions Handling Vulnerabilities

State
Published
Severity
9.9 Critical
Published
Sep 16, 2026
Updated
Sep 18, 2026
Reserved
Oct 8, 2025

Read the record on cve.org

Description

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Adaptive Security Appliance Software, Cisco Secure Firewall Threat Defense Software and Cisco Secure Firewall Management Center Software engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities.  

The vulnerabilities tracked by CVE-2026-20329 are related to issues concerning improper handling of exceptional conditions that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-703.

Scores

CVSSScoreVectorSource
3.19.9 CriticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:Hcisco

Weaknesses

  • CWE-703 Improper Check or Handling of Exceptional Conditions

Affected Products

ProductVersions
Cisco Secure Firewall Adaptive Security Appliance (ASA) SoftwareCisco
  • 9.16.1Affected
  • 9.16.1.28Affected
  • 9.16.2Affected
  • 9.16.2.3Affected
  • 9.16.2.7Affected
  • 9.16.2.11Affected
  • 9.16.2.13Affected
  • 9.16.2.14Affected
  • 9.16.3.3Affected
  • 9.16.3Affected
  • 9.16.3.14Affected
  • 9.16.3.15Affected
  • 9.18.1.3Affected
  • 9.18.2Affected
  • 9.16.3.19Affected
  • 9.16.3.23Affected
  • 9.18.2.5Affected
  • 9.16.4Affected
  • 9.18.2.7Affected
  • 9.16.4.9Affected
  • 9.18.2.8Affected
  • 9.16.4.14Affected
  • 9.18.3Affected
  • 9.16.4.18Affected
  • 9.18.3.39Affected
  • and 96 more versions
Cisco Secure Firewall Management Center (FMC)Cisco
  • 7.0.0Affected
  • 7.0.0.1Affected
  • 7.0.1Affected
  • 7.0.1.1Affected
  • 7.0.2Affected
  • 7.2.0Affected
  • 7.0.2.1Affected
  • 7.0.3Affected
  • 7.2.0.1Affected
  • 7.0.4Affected
  • 7.2.1Affected
  • 7.0.5Affected
  • 7.3.0Affected
  • 7.2.2Affected
  • 7.3.1Affected
  • 7.2.3Affected
  • 7.2.3.1Affected
  • 7.2.4Affected
  • 7.0.6Affected
  • 7.2.4.1Affected
  • 7.2.5Affected
  • 7.3.1.1Affected
  • 7.4.0Affected
  • 7.0.6.1Affected
  • 7.2.5.1Affected
  • and 43 more versions
Cisco Secure Firewall Threat Defense (FTD) SoftwareCisco
  • 7.0.0.1Affected
  • 7.0.1Affected
  • 7.0.1.1Affected
  • 7.0.2Affected
  • 7.0.2.1Affected
  • 7.0.3Affected
  • 7.0.4Affected
  • 7.0.5Affected
  • 7.3.0Affected
  • 7.3.1Affected
  • 7.0.6Affected
  • 7.3.1.1Affected
  • 7.4.0Affected
  • 7.0.6.1Affected
  • 7.4.1Affected
  • 7.0.6.2Affected
  • 7.4.1.1Affected
  • 7.3.1.2Affected
  • 7.6.0Affected
  • 7.4.2Affected
  • 7.0.6.3Affected
  • 7.4.2.1Affected
  • 7.0.7Affected
  • 7.7.0Affected
  • 7.4.2.2Affected
  • and 16 more versions

References

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