CVE Catalog

CVE-2016-6422

High
Published: Translated: NVD NIST

Summary

Cisco IOS 12.2(33)SXJ9 on Supervisor Engine 32 and 720 modules for 6500 and 7600 devices mishandles certain operators, flags, and keywords in TCAM share ACLs, allowing remote attackers to bypass intended access restrictions.

Risk Assessment

Attackers can send packets that should have been recognized by a filter, creating a risk of unauthorized access to network resources.

Recommendation

It is recommended to update Cisco IOS to the latest version to mitigate this vulnerability and review ACL configurations to strengthen security.

Related vulnerabilities

Original NVD description (English source)

Cisco IOS 12.2(33)SXJ9 on Supervisor Engine 32 and 720 modules for 6500 and 7600 devices mishandles certain operators, flags, and keywords in TCAM share ACLs, which allows remote attackers to bypass intended access restrictions by sending packets that should have been recognized by a filter, aka Bug ID CSCuy64806.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS