CVE-2014-2146

Published: Sep 22, 2016Modified: May 6, 2026

6.5

Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Exploitability: 2.8 / Impact: 3.6

Source: NVD

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.

Affected (2)

Products: Cisco: Ios, Ios Xe

2 products

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Cisco Ios	Up to 15.4\(1\)t1
Cisco Ios Xe	Up to 15.4\(3\)s

Related CWEs

Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

References (4)

http://www.securityfocus.com/bid/93126

Source: psirt@cisco.com

https://tools.cisco.com/security/center/viewAlert.x?alertId=39129

Source: psirt@cisco.com

Vendor Advisory

http://www.securityfocus.com/bid/93126

Source: af854a3a-2127-422b-91ae-364da2661108

https://tools.cisco.com/security/center/viewAlert.x?alertId=39129

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.