CVE-2026-20120Disclosure

LOWCVSS 5.8 · MEDIUM

Signal is active with 1 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

A vulnerability in the access control list (ACL) Object Group Search (OGS) implementation of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass configured access controls. This vulnerability is due to a logic error in populating group access control policies (ACPs) with OGS configured. An attacker could exploit this vulnerability by sending traffic that should be blocked through the device. A successful exploit could allow the attacker to bypass access controls and reach devices in protected networks.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-284

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • Disclosure: 1 classified signal
  • 1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-09-16: 109-16
Signal classification1 categories
Disclosure
1100.0%
Referenced assets1 URL
By indicator
Full discourse1 post
  • VulDB 🛡@vuldb
    Disclosure

    We have just added an important vulnerability affecting Cisco Secure Firewall Adaptive Security Appliance Software and Secure Firewall Threat Defense Software (CVE-2026-20120) https://vuldb.com/vuln/406185

    Post summary

    The post announces the addition of CVE-2026-20120 affecting Cisco Secure Firewall products to the VulDB database, directing users to the entry for further information without providing technical details, exploit code, or remediation guidance.

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    2.3K followersView on X

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