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 psirt@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 | ||
| <=15.4\(1\)t | ||
| =15.0 | ||
| =15.0\(1\)se | ||
| =15.1 | ||
| =15.2 | ||
| =15.3 | ||
| =15.3\(2\)s | ||
| =15.3\(3\)m | ||
| =15.3\(3\)m1 | ||
| =15.3\(3\)m2 | ||
| =15.3\(3\)s | ||
| =15.3s | ||
| =15.4 | ||
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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.
- agent/references
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/severity
- agent/description
- agent/first-publish-date
- collector/nvd-index
- agent/software-canonical-lookup-request
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- agent/last-modified-date
- agent/author
- agent/source
- agent/softwarecombine
- agent/tags
- agent/event
- 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