What is the severity of CVE-2014-2146?

CVE-2014-2146 has a critical severity rating due to its potential to allow unauthorized access to network resources.

How do I fix CVE-2014-2146?

To fix CVE-2014-2146, upgrade to a Cisco IOS version later than 15.4(1)t1 or a Cisco IOS XE version later than 15.4(3)s.

What types of devices are affected by CVE-2014-2146?

CVE-2014-2146 affects Cisco IOS devices, specifically version 15.4 and earlier, as well as Cisco IOS XE version 3.13 and earlier.

What is the attack vector for CVE-2014-2146?

The attack vector for CVE-2014-2146 involves remote attackers sending spoofed traffic to bypass zone-based firewall restrictions.

Is CVE-2014-2146 actively being exploited?

There have been reports of active exploitation attempts targeting CVE-2014-2146, making it crucial to apply patches promptly.

Vulnerability/
CVE-2014-2146

medium

6.5

CWE

22/9/2016

6/8/2024

CVE-2014-2146: Input Validation

First published: Thu Sep 22 2016(Updated: )

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.

Credit: ykramarz@cisco.com

Affected Software	Affected Version	How to fix
Cisco IOS	<=15.4\(1\)t1
Cisco IOS XE	<=15.4\(3\)s

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2014-2146?
CVE-2014-2146 has a critical severity rating due to its potential to allow unauthorized access to network resources.
How do I fix CVE-2014-2146?
To fix CVE-2014-2146, upgrade to a Cisco IOS version later than 15.4(1)t1 or a Cisco IOS XE version later than 15.4(3)s.
What types of devices are affected by CVE-2014-2146?
CVE-2014-2146 affects Cisco IOS devices, specifically version 15.4 and earlier, as well as Cisco IOS XE version 3.13 and earlier.
What is the attack vector for CVE-2014-2146?
The attack vector for CVE-2014-2146 involves remote attackers sending spoofed traffic to bypass zone-based firewall restrictions.
Is CVE-2014-2146 actively being exploited?
There have been reports of active exploitation attempts targeting CVE-2014-2146, making it crucial to apply patches promptly.

collector/nvd-index
agent/references
agent/type
agent/softwarecombine
collector/mitre-cve
source/MITRE
agent/weakness
agent/last-modified-date
agent/author
agent/severity
agent/tags
agent/description
agent/event
agent/first-publish-date
agent/source
vendor/cisco
canonical/cisco ios
version/cisco ios/15.4\(1\)t1
canonical/cisco ios xe
version/cisco ios xe/15.4\(3\)s

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Frequently Asked Questions

What is the severity of CVE-2014-2146?
CVE-2014-2146 has a critical severity rating due to its potential to allow unauthorized access to network resources.
How do I fix CVE-2014-2146?
To fix CVE-2014-2146, upgrade to a Cisco IOS version later than 15.4(1)t1 or a Cisco IOS XE version later than 15.4(3)s.
What types of devices are affected by CVE-2014-2146?
CVE-2014-2146 affects Cisco IOS devices, specifically version 15.4 and earlier, as well as Cisco IOS XE version 3.13 and earlier.
What is the attack vector for CVE-2014-2146?
The attack vector for CVE-2014-2146 involves remote attackers sending spoofed traffic to bypass zone-based firewall restrictions.
Is CVE-2014-2146 actively being exploited?
There have been reports of active exploitation attempts targeting CVE-2014-2146, making it crucial to apply patches promptly.