CVE-2011-3279: High severity cisco ios xe vulnerability
The provider-edge MPLS NAT implementation in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1, and IOS XE 3.1.xSG, allows remote attackers to cause a denial of service (device reload) via a malformed SIP packet to UDP port 5060, aka Bug ID CSCti98219.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2011-3279?
CVE-2011-3279 has been classified as a severity of high, as it can lead to a denial of service by device reload.
How do I fix CVE-2011-3279?
To mitigate CVE-2011-3279, upgrade to a version of Cisco IOS or IOS XE that is not vulnerable, specifically versions above 15.1 or 12.4.
What devices are affected by CVE-2011-3279?
CVE-2011-3279 affects Cisco IOS versions 12.1 to 12.4 and 15.0 to 15.1, as well as certain 3.1.xSG versions of IOS XE.
Can CVE-2011-3279 be exploited remotely?
Yes, CVE-2011-3279 can be exploited remotely by sending a malformed SIP packet to UDP port 5060.
What impact does CVE-2011-3279 have on my network?
Exploitation of CVE-2011-3279 can cause a denial of service, resulting in device reload and potential network downtime.