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CVE-2026-20331

9.6 CRITICAL

Published 2026-09-16 · Updated 2026-09-18

AI risk analysis

Summary
CVE-2026-20331 involves protection mechanism failures that could allow attackers to exploit vulnerabilities in Cisco Secure products, leading to potential high impact issues.
Exploitability
Exploitation is considered critical and requires specific conditions, such as access to the affected software components.
Blast radius
If exploited, this could result in significant data loss, high impact on system integrity, and potential unauthorized access.
Detection
No reliable host or network indicator is derivable from the published description.
Prioritized remediation
Upgrade to the fixed version 8.15.2 or later.
cwe-693software-hardeningciscoproactive-security

Analysis generated locally by qwen2.5:7b-instruct (no data left the box). AI-assisted — verify against primary sources before acting.

NVD 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-2026-20331 are related to the failure of protection mechanisms issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-693.

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L

Weaknesses

CWE-693

All references

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

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