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
Published Nov 20, 2008
5.3
MEDIUMCVSS 3.1
EPSS 67.98%
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.
Affected products
No data.
- n/a
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
PoCAutomatable
YesTechnical Impact
PartialDecision
n/aAssessed Feb 27, 2024 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 67.98% (0.67977) | 99.30th | v5 (v2026.06.15) |
| Jun 15, 2026 | 67.98% (0.67977) | 99.23th | v5 (v2026.06.15) |
| Mar 18, 2026 | 76.73% (0.76735) | 98.93th | v4 (v2025.03.14) |
| Nov 23, 2025 | 82.34% (0.82336) | 99.17th | v4 (v2025.03.14) |
| Mar 30, 2025 | 84.72% (0.84723) | 99.28th | v4 (v2025.03.14) |
| Mar 29, 2025 | 77.73% (0.77734) | 98.70th | v4 (v2025.03.14) |
| Mar 17, 2025 | 84.08% (0.84076) | 99.27th | v4 (v2025.03.14) |
| Feb 9, 2025 | 46.20% (0.46203) | 97.56th | v3 (v2023.03.01) |
| Jan 2, 2025 | 51.13% (0.51131) | 97.66th | v3 (v2023.03.01) |
| Dec 17, 2024 | 46.20% (0.46203) | 97.50th | v3 (v2023.03.01) |
| Jul 6, 2024 | 61.91% (0.61915) | 97.85th | v3 (v2023.03.01) |
| May 31, 2024 | 62.97% (0.62973) | 97.84th | v3 (v2023.03.01) |
| Feb 2, 2024 | 63.84% (0.63844) | 97.59th | v3 (v2023.03.01) |
| Mar 7, 2023 | 89.30% (0.89295) | 98.10th | v3 (v2023.03.01) |
| Mar 6, 2023 | 40.85% (0.40848) | 98.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 40.85% (0.40848) | 97.52th | v2 (v2022.01.01) |
References (8)
- http://secunia.com/advisories/32940 third-party-advisoryx_refsource_SECUNIABroken Link
- http://www.exploit-db.com/exploits/12079 exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
- http://www.securityfocus.com/bid/39221 vdb-entryx_refsource_BIDBroken LinkThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id?1021294 vdb-entryx_refsource_SECTRACKBroken LinkThird Party AdvisoryVDB Entry
- http://www.voipshield.com/research-details.php?id=133 x_refsource_MISCBroken Link
- https://exchange.xforce.ibmcloud.com/vulnerabilities/46673 vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry
- https://exchange.xforce.ibmcloud.com/vulnerabilities/57581 vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry
- https://www.exploit-db.com/exploits/7262 exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/advisories/32940 | third-party-advisoryx_refsource_SECUNIABroken Link | |
| http://www.exploit-db.com/exploits/12079 | exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry | |
| http://www.securityfocus.com/bid/39221 | vdb-entryx_refsource_BIDBroken LinkThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id?1021294 | vdb-entryx_refsource_SECTRACKBroken LinkThird Party AdvisoryVDB Entry | |
| http://www.voipshield.com/research-details.php?id=133 | x_refsource_MISCBroken Link | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/46673 | vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/57581 | vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry | |
| https://www.exploit-db.com/exploits/7262 | exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.