4.3
CVSSv2

CVE-2016-6422

Published: 06/10/2016 Updated: 30/07/2017
CVSS v2 Base Score: 4.3 | Impact Score: 2.9 | Exploitability Score: 8.6
CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9
VMScore: 383
Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N

Vulnerability 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, which allows remote malicious users to bypass intended access restrictions by sending packets that should have been recognized by a filter, aka Bug ID CSCuy64806.

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cisco ios 12.2\\(33\\)sxj9

Vendor Advisories

A vulnerability in the ternary content addressable memory (TCAM) share access control list (ACL) functionality of Cisco IOS Software running on Supervisor Engine 720 and Supervisor Engine 32 Modules for Cisco Catalyst 6500 Series Switches and Cisco 7600 Series Routers could allow an unauthenticated, remote attacker to bypass access control entries ...