vulnwire
7.5high

CVE-2016-6422

Cisco IOS 12.2(33)SXJ9 on Supervisor Engine 32 and 720 modules for 6500 and 7600 devices mishandles certain operators, flags, and keywords…

Published 10 y ago · modified 4 mo ago · JSON

CVSS
7.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
1.5%
percentile 74%
Public exploits
0
none known

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.

Exploit prediction (EPSS)

1.50% probability of exploitation in the next 30 days, higher than 74% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.07.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD2.04.3AV:N/AC:M/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-20 Improper Input Validation
Technology feeds
Cisco IOS (RSS, critical only)

References

  • tools.cisco.com /security/center/content/CiscoSecurityAdvisory/cisco-sa-20161005-catalyst · vendor-advisory, x_refsource_CISCO, x_transferred
  • securitytracker.com /id/1036954 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • securityfocus.com /bid/93404 · vdb-entry, x_refsource_BID, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.