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Tool Directory

CVE-2008-5180

MediumPublished

Microsoft Communicator, and Communicator in Microsoft Office 2010 beta, allows remote attackers to cause a denial of service (memory consumption) via a...

Published: Nov 20, 2008
Updated: Oct 15, 2024
Assigning CNA: mitre
Evidence observed: Nov 28, 2008

Primary CVSS

5.3/ 10Medium

nvd · CVSS 3.1

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

EPSS probability estimate

68.0%

High · next 30 days

Percentile: 99.3%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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.

Sources

Microsoft Office - Communicator 'SIP' Remote Denial of ServiceExploit
Praveen Darshanam · windows · Nov 28, 2008
Microsoft Office 2010 Beta - Communicator SIP Denial of ServiceExploit
indoushka · windows · Apr 6, 2010

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