CVE-2012-3918
First published: Wed Apr 23 2014(Updated: )
Cisco IOS before 15.3(1)T on Cisco 2900 devices, when a VWIC2-2MFT-T1/E1 card is configured for TDM/HDLC mode, allows remote attackers to cause a denial of service (serial-interface outage) via certain Frame Relay traffic, aka Bug ID CSCub13317.
Credit: ykramarz@cisco.com psirt@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Puppet Cisco IOS | <=15.3\(3\)m2 | |
| Puppet Cisco IOS | =15.3 | |
| Puppet Cisco IOS | =15.3\(2\)s | |
| Puppet Cisco IOS | =15.3\(3\)m | |
| Puppet Cisco IOS | =15.3\(3\)m1 | |
| Puppet Cisco IOS | =15.3\(3\)s | |
| Puppet Cisco IOS | =15.3s | |
| Cisco Catalyst 2900 | ||
| Cisco Catalyst 2900 | =lre_xl | |
| Cisco Catalyst 2900 | =xl | |
| Cisco Catalyst 2900 | ||
| Cisco Catalyst 2900 XL | ||
| All of | ||
| Any of | ||
| Cisco IOS | <=15.3\(3\)m2 | |
| 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\(3\)s | |
| Cisco IOS | =15.3s | |
| Any of | ||
| Cisco Catalyst 2900 | ||
| Cisco Catalyst 2900 | =lre_xl | |
| Cisco Catalyst 2900 | =xl | |
| Cisco Catalyst 2900 | ||
| Cisco Catalyst 2900 XL |
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Frequently Asked Questions
What is the severity of CVE-2012-3918?
CVE-2012-3918 is classified as a high severity vulnerability due to its potential to cause a denial of service on affected devices.
How do I fix CVE-2012-3918?
To mitigate CVE-2012-3918, upgrade Cisco IOS software to version 15.3(3)m3 or later.
Which devices are affected by CVE-2012-3918?
CVE-2012-3918 affects Cisco IOS versions before 15.3(1)T on Cisco 2900 devices utilizing VWIC2-2MFT-T1/E1 cards.
How does CVE-2012-3918 exploit work?
CVE-2012-3918 allows remote attackers to cause a denial of service by sending specific Frame Relay traffic.
Is there a workaround for CVE-2012-3918?
There is no specific workaround for CVE-2012-3918; upgrading to a patched version is the recommended approach.
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/severity
- agent/references
- 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/puppet cisco ios
- version/puppet cisco ios/15.3\(3\)m2
- version/puppet cisco ios/15.3
- version/puppet cisco ios/15.3\(2\)s
- version/puppet cisco ios/15.3\(3\)m
- version/puppet cisco ios/15.3\(3\)m1
- version/puppet cisco ios/15.3\(3\)s
- version/puppet cisco ios/15.3s
- canonical/cisco catalyst 2900
- version/cisco catalyst 2900/lre_xl
- version/cisco catalyst 2900/xl
- canonical/cisco catalyst 2900 xl
- canonical/cisco ios
- version/cisco ios/15.3\(3\)m2
- 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\(3\)s
- version/cisco ios/15.3s