CVE-2026-20331Disclosure

LOWCVSS 9.6 · CRITICAL

Signal is active with 2 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

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.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-693

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

  • 2 mentions across 1 observed day

What's happening

  • Technical details provided in 1 signal
  • Disclosure: 2 classified signals
  • 2 total mentions across 1 day

Deep dive

Activity timeline2 mentions / 1d
01122Mentions · 2026-09-16: 2Technical Details · 2026-09-16: 109-16
Signal classification1 categories
Disclosure
2100.0%
Referenced assets2 URLs
By indicator
Full discourse2 posts
  • VulDB 🛡@vuldb
    Disclosure

    We have just added an important vulnerability affecting Cisco Secure Adaptive Security Appliance Software and other products (CVE-2026-20331) https://vuldb.com/vuln/406045

    Post summary

    The tweet announces the disclosure of CVE-2026-20331 affecting Cisco products, providing no exploit details, mitigations, or active exploitation context.

    00000140
    2.3K followersView on X
  • Kaitan ID Security@KaitanSecurity
    Disclosure

    🚨 CRITICAL — CVE-2026-20331 As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Adaptive Security App… CVSS 9.6 🔴 No patch yet Full analysis → https://sec.kaitan.id/cves/CVE-2026-20331 #Cisco #CyberSecurity #InfoSec

    Post summary

    The tweet discloses CVE-2026-20331 affecting Cisco Secure Adaptive Security App with a CVSS score of 9.6 and notes that no patch is currently available, providing a link to a full analysis.

    0000053
    90 followersView on X

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