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CVE-2026-203299.9CriticalCWE-703

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

Cisco · Cisco Secure Firewall Adaptive Security Appliance (ASA) Software

Not in CISA KEV
0.5%probability of exploitation in the next 30 days
39th percentile
050100

Higher than 39% of scored CVEs

9.9CriticalCVSS 3.1
LowCrit.

DescriptionNVD

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.

Coverage1 article · 1 outlet

First in our coverage: SecurityOnline, 17 Sep.

  1. Cisco Patches Firewall Flaws Enabling Unauthenticated Root Access
    SecurityOnline · first in our coverage · mentions it in passing

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References

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