How severe is CVE-2008-5179?

CVE-2008-5179 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2008-5179 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 16% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-5179?

CVE-2008-5179 primarily affects Microsoft Office Communications Server. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-5179?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2008-5179 published?

CVE-2008-5179 was published on 2008-11-20 and last updated on 2026-06-16.

CVE-2008-5179

CVE-2008-5179 is a medium-severity vulnerability in Microsoft Office Communications Server with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 16% places it in the 97th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 16% (97th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Office Communications Server
Published: 2008-11-20
Last modified: 2026-06-16

Description

Unspecified vulnerability in Microsoft Office Communications Server (OCS), Office Communicator, and Windows Live Messenger allows remote attackers to cause a denial of service (crash) via a crafted Real-time Transport Control Protocol (RTCP) receiver report packet.

Frequently asked questions

What is CVE-2008-5179?: Unspecified vulnerability in Microsoft Office Communications Server (OCS), Office Communicator, and Windows Live Messenger allows remote attackers to cause a denial of service (crash) via a crafted Real-time Transport Control Protocol (RTCP) receiver report packet.
How severe is CVE-2008-5179?: CVE-2008-5179 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2008-5179 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 16% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-5179?: CVE-2008-5179 primarily affects Microsoft Office Communications Server. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-5179?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2008-5179 published?: CVE-2008-5179 was published on 2008-11-20 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:a:microsoft:office_communications_server:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:office_communicator:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:windows_live_messenger:*:*:*:*:*:*:*:*