What is the severity of CVE-2014-2143?

CVE-2014-2143 is rated as a medium severity vulnerability that can cause denial of service.

How do I fix CVE-2014-2143?

The fix for CVE-2014-2143 involves upgrading to a fixed version of Cisco IOS or IOS XE that addresses this vulnerability.

Which versions of Cisco IOS are affected by CVE-2014-2143?

CVE-2014-2143 affects Cisco IOS versions up to 15.4(1)T and several earlier versions including 15.0, 15.1, 15.2, and 15.3.

Can CVE-2014-2143 be exploited remotely?

Yes, CVE-2014-2143 can be exploited remotely by attackers through crafted Main Mode packets.

What impact does CVE-2014-2143 have on network devices?

CVE-2014-2143 can lead to security association drops, severely disrupting connectivity for affected devices.

Vulnerability/
CVE-2014-2143

medium

4/4/2014

6/8/2024

CVE-2014-2143

First published: Fri Apr 04 2014(Updated: )

The IKE implementation in Cisco IOS 15.4(1)T and earlier and IOS XE allows remote attackers to cause a denial of service (security-association drop) via crafted Main Mode packets, aka Bug ID CSCun31021.

Credit: ykramarz@cisco.com

Affected Software	Affected Version	How to fix
Cisco IOS	<=15.4\(1\)t
Cisco IOS	=15.0
Cisco IOS	=15.0\(1\)se
Cisco IOS	=15.1
Cisco IOS	=15.2
Cisco IOS	=15.3
Cisco IOS	=15.3\(2\)s
Cisco IOS	=15.3\(3\)m
Cisco IOS	=15.3\(3\)m1
Cisco IOS	=15.3\(3\)m2
Cisco IOS	=15.3\(3\)s
Cisco IOS	=15.3s
Cisco IOS	=15.4
Cisco IOS XE

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2014-2143?
CVE-2014-2143 is rated as a medium severity vulnerability that can cause denial of service.
How do I fix CVE-2014-2143?
The fix for CVE-2014-2143 involves upgrading to a fixed version of Cisco IOS or IOS XE that addresses this vulnerability.
Which versions of Cisco IOS are affected by CVE-2014-2143?
CVE-2014-2143 affects Cisco IOS versions up to 15.4(1)T and several earlier versions including 15.0, 15.1, 15.2, and 15.3.
Can CVE-2014-2143 be exploited remotely?
Yes, CVE-2014-2143 can be exploited remotely by attackers through crafted Main Mode packets.
What impact does CVE-2014-2143 have on network devices?
CVE-2014-2143 can lead to security association drops, severely disrupting connectivity for affected devices.

collector/nvd-index
agent/references
agent/type
agent/softwarecombine
collector/mitre-cve
source/MITRE
agent/severity
agent/last-modified-date
agent/tags
agent/author
agent/description
agent/first-publish-date
agent/event
agent/source
vendor/cisco
canonical/cisco ios
version/cisco ios/15.4\(1\)t
version/cisco ios/15.0
version/cisco ios/15.0\(1\)se
version/cisco ios/15.1
version/cisco ios/15.2
version/cisco ios/15.3
version/cisco ios/15.3\(2\)s
version/cisco ios/15.3\(3\)m
version/cisco ios/15.3\(3\)m1
version/cisco ios/15.3\(3\)m2
version/cisco ios/15.3\(3\)s
version/cisco ios/15.3s
version/cisco ios/15.4
canonical/cisco ios xe

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Frequently Asked Questions

What is the severity of CVE-2014-2143?
CVE-2014-2143 is rated as a medium severity vulnerability that can cause denial of service.
How do I fix CVE-2014-2143?
The fix for CVE-2014-2143 involves upgrading to a fixed version of Cisco IOS or IOS XE that addresses this vulnerability.
Which versions of Cisco IOS are affected by CVE-2014-2143?
CVE-2014-2143 affects Cisco IOS versions up to 15.4(1)T and several earlier versions including 15.0, 15.1, 15.2, and 15.3.
Can CVE-2014-2143 be exploited remotely?
Yes, CVE-2014-2143 can be exploited remotely by attackers through crafted Main Mode packets.
What impact does CVE-2014-2143 have on network devices?
CVE-2014-2143 can lead to security association drops, severely disrupting connectivity for affected devices.