VULNERABILITY INTELLIGENCE

CVE-2014-2146

CVSS score6.5 MEDIUM
EPSS probability1.26%
CISA KEVNot currently listed
Published2016-09-22
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Description

The Zone-Based Firewall (ZBFW) functionality in Cisco IOS, possibly 15.4 and earlier, and IOS XE, possibly 3.13 and earlier, mishandles zone checking for existing sessions, which allows remote attackers to bypass intended resource-access restrictions via spoofed traffic that matches one of these sessions, aka Bug IDs CSCun94946 and CSCun96847.

Weakness classification

  • CWE-20: Improper Input Validation

Primary references