PT-2026-93867 · Cisco · Cisco Secure Firewall Threat Defense+2

CVE-2026-20331

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Published

2026-09-16

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Updated

2026-09-17

CVSS v3.1

9.6

Critical

VectorAV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L
Name of the Vulnerable Software and Affected Versions Cisco Secure Adaptive Security Appliance Software (affected versions not specified) Cisco Secure Firewall Threat Defense Software (affected versions not specified) Cisco Secure Firewall Management Center Software (affected versions not specified)
Description An issue exists involving the failure of protection mechanisms, categorized under the Common Weakness Enumeration (CWE) Pillar CWE-693.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Protection Mechanism Failure

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Weakness Enumeration

Related Identifiers

BDU:2026-15161
CVE-2026-20331

Affected Products

Adaptive Security Appliance
Cisco Secure Firewall Management Center
Cisco Secure Firewall Threat Defense