How severe is CVE-2001-0083?

CVE-2001-0083 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2001-0083 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 17% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-0083?

CVE-2001-0083 primarily affects Microsoft Windows Media Services. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2001-0083?

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

When was CVE-2001-0083 published?

CVE-2001-0083 was published on 2001-02-12 and last updated on 2026-06-16.

CVE-2001-0083

CVE-2001-0083 is a medium-severity vulnerability in Microsoft Windows Media Services with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 17% 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: 17% (97th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Windows Media Services
Published: 2001-02-12
Last modified: 2026-06-16

Description

Windows Media Unicast Service in Windows Media Services 4.0 and 4.1 does not properly shut down some types of connections, producing a memory leak that allows remote attackers to cause a denial of service via a series of severed connections, aka the "Severed Windows Media Server Connection" vulnerability.

Frequently asked questions

What is CVE-2001-0083?: Windows Media Unicast Service in Windows Media Services 4.0 and 4.1 does not properly shut down some types of connections, producing a memory leak that allows remote attackers to cause a denial of service via a series of severed connections, aka the "Severed Windows Media Server Connection" vulnerability.
How severe is CVE-2001-0083?: CVE-2001-0083 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2001-0083 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 17% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-0083?: CVE-2001-0083 primarily affects Microsoft Windows Media Services. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2001-0083?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2001-0083 published?: CVE-2001-0083 was published on 2001-02-12 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:microsoft:windows_media_services:4.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:windows_media_services:4.1:*:*:*:*:*:*:*

More vulnerabilities in Microsoft Windows Media Services

CVE-2008-3009 — Critical (CVSS 10.0): Microsoft Windows Media Player 6.4, Windows Media Format Runtime 7.1 through 11, and Windows Media Services 4.1, 9, and…
CVE-2009-2498 — Critical (CVSS 9.3): Microsoft Windows Media Format Runtime 9.0, 9.5, and 11 and Windows Media Services 9.1 and 2008 do not properly parse…
CVE-2007-0064 — Critical (CVSS 9.3): Heap-based buffer overflow in Windows Media Format Runtime 7.1, 9, 9.5, 9.5 x64 Edition, 11, and Windows Media Services…
CVE-2009-2499 — High (CVSS 8.5): Microsoft Windows Media Format Runtime 9.0, 9.5, and 11; and Microsoft Media Foundation on Windows Vista Gold, SP1, and…
CVE-2003-0905 — Medium (CVSS 5.0): Unknown vulnerability in Windows Media Station Service and Windows Media Monitor Service components of Windows Media…
CVE-2000-0495 — Medium (CVSS 5.0): Microsoft Windows Media Encoder allows remote attackers to cause a denial of service via a malformed request, aka the…

All CVEs affecting Microsoft Windows Media Services →