Medium severity6.5NVD Advisory· Published Sep 22, 2016· Updated May 6, 2026

CVE-2014-2146

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 products

Cisco Systems, Inc./Cisco iOS
cpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*
Range: <=15.4\(1\)t1
Cisco Systems, Inc./iOS Xe
cpe:2.3:o:cisco:ios_xe:*:*:*:*:*:*:*:*
Range: <=15.4\(3\)s

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

tools.cisco.com/security/center/viewAlert.xnvdVendor Advisory
www.securityfocus.com/bid/93126nvd

News mentions

No linked articles in our index yet.

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