Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2026-20331— Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Protection Mechanism Failure Vulnerabilities

Quick assessment

Affected
Cisco Cisco Secure Firewall Adaptive Security Appliance (ASA) Software
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

作为思科持续推进主动式安全与产品质量承诺的一部分，Cisco Secure Adaptive Security Appliance 软件、Cisco Secure Firewall Threat Defense 软件以及 Cisco Secure Firewall Management Center 软件工程团队开展了一次全面的内部安全审查。该审查促成了一次软件加固发布的推出，以修复多个在内部发现的安全漏洞。 被跟踪为 CVE-2026-20331 的漏洞与保护机制失效问题相关，这些问题被归类于通用弱点枚举（Com

CVSS 9.6 · Critical
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-20331

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Protection Mechanism Failure Vulnerabilities
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
保护机制失效
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Cisco Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.1 -
Cisco Cisco Secure Firewall Management Center (FMC) 7.0.0 -
Cisco Cisco Secure Firewall Threat Defense (FTD) Software 7.0.0.1 -

II. Public POCs for CVE-2026-20331

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-20331

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-20331 (1)

Same Patch Batch · Cisco · 2026-09-16 · 6 CVEs total

CVE-2026-20234 9.9 CRITICAL Cisco Identity Services Engine Hardening Release - Insuffiencently Protected Credential Vu
CVE-2026-20307 9.9 CRITICAL Cisco Identity Services Engine Remote Code Execution Vulnerability
CVE-2026-20305 9.1 CRITICAL Cisco Identity Services Engine Command Injection Vulnerability
CVE-2026-20306 9.1 CRITICAL Cisco Identity Services Engine Command Injection Vulnerability
CVE-2026-76420 9.0 CRITICAL Cisco Secure Firewall Management Center Software Impersonated sftunnel Connection Vulnerab

IV. Related Vulnerabilities

Same product: Cisco Secure Firewall Adaptive Security Appliance (ASA) Software
Same vendor: Cisco
Same weakness: CWE-693

V. Comments for CVE-2026-20331

No comments yet

Leave a comment