CVE-2012-3918: Medium severity Cisco IOS vulnerability
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.
Affected Software
Event History
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.