CVE-2008-5180

Name: CVE-2008-5180
Creator: NVD / NIST
Published: 2008-11-20T15:30:00.39+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 67.98%

Last modified Jun 16, 2026

CVE-2008-5180 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. Microsoft Communicator, and Communicator in Microsoft Office 2010 beta, allows remote attackers to cause a denial of service (memory consumption) via a large number of SIP INVITE requests, which trigger the creation of many sessions.. EPSS estimates a 67.98% chance of exploitation in the next 30 days.

Description

Microsoft Communicator, and Communicator in Microsoft Office 2010 beta, allows remote attackers to cause a denial of service (memory consumption) via a large number of SIP INVITE requests, which trigger the creation of many sessions.

Metrics

CVSS 3.1

5.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

EPSS Probability

67.98%

99.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Microsoft	Office Communicator	All versions

References

http://secunia.com/advisories/32940Broken Link
http://www.exploit-db.com/exploits/12079Exploit, Third Party Advisory, VDB Entry
http://www.securityfocus.com/bid/39221Broken Link, Third Party Advisory, VDB Entry
http://www.securitytracker.com/id?1021294Broken Link, Third Party Advisory, VDB Entry
http://www.voipshield.com/research-details.php?id=133Broken Link
https://exchange.xforce.ibmcloud.com/vulnerabilities/46673Third Party Advisory, VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/57581Third Party Advisory, VDB Entry
https://www.exploit-db.com/exploits/7262Exploit, Third Party Advisory, VDB Entry
http://secunia.com/advisories/32940Broken Link
http://www.exploit-db.com/exploits/12079Exploit, Third Party Advisory, VDB Entry
http://www.securityfocus.com/bid/39221Broken Link, Third Party Advisory, VDB Entry
http://www.securitytracker.com/id?1021294Broken Link, Third Party Advisory, VDB Entry
http://www.voipshield.com/research-details.php?id=133Broken Link
https://exchange.xforce.ibmcloud.com/vulnerabilities/46673Third Party Advisory, VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/57581Third Party Advisory, VDB Entry
https://www.exploit-db.com/exploits/7262Exploit, Third Party Advisory, VDB Entry

Timeline

Published: Nov 20, 2008
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2008-5180?

How severe is CVE-2008-5180?

CVE-2008-5180 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 67.98% probability of exploitation in the next 30 days.

How do I fix CVE-2008-5180?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2008-5180?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST