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CVE-2009-2864

7.8 · HIGH

Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 5.x before 5.1(3g), 6.x before 6.1(4), 7.0.x before 7.0(2a)su1, and 7.1.x before 7.1(2) allows remote attackers to cause a deni…

Published Sep 28, 2009ciscoEPSS 2.94%

Overview

CVE-2009-2864 is a high-severity vulnerability affecting cisco unified_callmanager. It was published on September 28, 2009 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

Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 5.x before 5.1(3g), 6.x before 6.1(4), 7.0.x before 7.0(2a)su1, and 7.1.x before 7.1(2) allows remote attackers to cause a denial of service (service restart) via malformed SIP messages, aka Bug ID CSCsz95423.

Remediation

Check the references section for vendor advisories and patches from cisco. Update unified_callmanager 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/58344Refsecunia.com/advisories/36836Reftools.cisco.com/security/center/viewAlert.x?alertId=18883Refwww.cisco.com/en/US/products/products_security_advisory09186a0080af8118.shtmlRefwww.securityfocus.com/bid/36496Refwww.securitytracker.com/id?1022931Refwww.vupen.com/english/advisories/2009/2757Refexchange.xforce.ibmcloud.com/vulnerabilities/53447Refosvdb.org/58344Refsecunia.com/advisories/36836

How CyberStrike helps

Frequently asked questions

What is CVE-2009-2864?

CVE-2009-2864 is a high-severity vulnerability affecting cisco unified_callmanager. It was published on September 28, 2009 and has a CVSS 2.0 base score of 7.8 (HIGH).

How severe is CVE-2009-2864?

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-2009-2864?

Check the references section for vendor advisories and patches from cisco. Update unified_callmanager 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-2009-2864?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2009-2864 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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