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CVE-2012-3949

7.8 · HIGH

The SIP implementation in Cisco Unified Communications Manager (CUCM) 6.x and 7.x before 7.1(5b)su5, 8.x before 8.5(1)su4, and 8.6 before 8.6(2a)su1; Cisco IOS 12.2 through 12.4 and 15.0 through 15…

Published Sep 27, 2012ciscoCWE-20EPSS 3.20%

Overview

CVE-2012-3949 is a high-severity vulnerability affecting cisco unified_communications_manager. It was published on September 27, 2012 and has a CVSS 2.0 base score of 7.8 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The SIP implementation in Cisco Unified Communications Manager (CUCM) 6.x and 7.x before 7.1(5b)su5, 8.x before 8.5(1)su4, and 8.6 before 8.6(2a)su1; Cisco IOS 12.2 through 12.4 and 15.0 through 15.2; and Cisco IOS XE 3.3.xSG before 3.3.1SG, 3.4.xS, and 3.5.xS allows remote attackers to cause a denial of service (service crash or device reload) via a crafted SIP message containing an SDP session description, aka Bug IDs CSCtw66721, CSCtj33003, and CSCtw84664.

Remediation

Check the references section for vendor advisories and patches from cisco. Update unified_communications_manager to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refosvdb.org/85816Refsecunia.com/advisories/50774Reftools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-cucmReftools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-sipRefwww.securityfocus.com/bid/55697Refosvdb.org/85816Refsecunia.com/advisories/50774Reftools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-cucmReftools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-sipRefwww.securityfocus.com/bid/55697

How CyberStrike helps

Frequently asked questions

What is CVE-2012-3949?

CVE-2012-3949 is a high-severity vulnerability affecting cisco unified_communications_manager. It was published on September 27, 2012 and has a CVSS 2.0 base score of 7.8 (HIGH).

How severe is CVE-2012-3949?

This vulnerability has a CVSS 2.0 base score of 7.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2012-3949?

Check the references section for vendor advisories and patches from cisco. Update unified_communications_manager to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2012-3949?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2012-3949 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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