Improper input validation in Cisco iOS
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 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 class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.015 (73.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
- Cisco iOS — versions 12.2(33)sxj9, 12.2\(33\)sxj9
Weakness classification (CWE)
References
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161005… (vendor-advisory, Mitigation, Vendor Advisory)
- www.securitytracker.com/id/1036954 (vdb-entry)
- www.securityfocus.com/bid/93404 (vdb-entry)
Frequently asked questions
- What is CVE-2016-6422?
- CVE-2016-6422 is a high-severity vulnerability in Cisco iOS, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2016-10-06.
- How severe is CVE-2016-6422?
- High severity. CVSS v3 base score is 7.5 out of 10.