CVE-2011-2561

Description

The SIP process in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 7.x before 7.1(5b)su4 and 8.x before 8.0(1) does not properly handle SDP data within a SIP call in certain situations related to use of the g729ar8 codec for a Media Termination Point (MTP), which allows remote attackers to cause a denial of service (service outage) via a crafted call, aka Bug ID CSCtc61990.

Category

7.1
CVSS
Severity: High
CVSS 2.0 •
EPSS 0.40%
Vendor Advisory cisco.com
Affected: n/a n/a
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2011-2561?
CVE-2011-2561 has been scored as a high severity vulnerability.
How to fix CVE-2011-2561?
To fix CVE-2011-2561, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-2561 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2011-2561 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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