Skip to content
Fencer Vulns
medium 5.3

CVE-2008-5180 json

Microsoft Communicator, and Communicator in Microsoft Office 2010 beta, allows remote attackers to cause a denial of service (memory consum…

published 2008-11-20 17 y ago modified 2026-06-16 4 mo ago also EUVD-2008-5158

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
68.0%
EPSS 68.0% chance of exploitation in 30 days, percentile 99.3%
public exploits
2
Exploit-DB

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.

Timeline

  1. Published
  2. First public exploit (EDB-7262)

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
partial
Assessed
2 y ago

Exploit prediction

67.98% chance of exploitation in the next 30 days, higher than 99.3% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-12079 Microsoft Office 2010 Beta - Communicator SIP Denial of Service dos, 2010-04-06
  • EDB-7262 Microsoft Office - Communicator 'SIP' Remote Denial of Service dos, 2008-11-28

CVSS scores

assigned by version score vector
CISA ADP 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CNA 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-770 Allocation of Resources Without Limits or Throttling

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.