Microsoft Windows Media Services 4.0/4.1 Unicast Service denial of service

CVSS Meta Temp Score
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CTI Interest Score
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3.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Windows Media Services 4.0/4.1. It has been declared as problematic. This affects an unknown function of the component Unicast Service. Such manipulation leads to denial of service. This vulnerability is referenced as CVE-2000-0849. No exploit is available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in Microsoft Windows Media Services 4.0/4.1 (Operating System) and classified as problematic. Affected by this issue is some unknown processing of the component Unicast Service. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. CVE summarizes:

Race condition in Microsoft Windows Media server allows remote attackers to cause a denial of service in the Windows Media Unicast Service via a malformed request, aka the "Unicast Service Race Condition" vulnerability.

The weakness was published 11/14/2000 with Microsoft as MS00-064 as confirmed bulletin (Technet). The advisory is shared for download at microsoft.com. This vulnerability is handled as CVE-2000-0849. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 90002 (Microsoft Windows Media Unicast Services DoS Vulnerability (MS00-064)).

Applying the patch MS00-064 is able to eliminate this problem. The bugfix is ready for download at microsoft.com.

The vulnerability is also documented in the databases at X-Force (5193), SecurityFocus (BID 1655†) and Vulnerability Center (SBV-3968†). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Version

License

Support

  • end of life (old version)

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.6

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: MS00-064

Timelineinfo

09/06/2000 🔍
09/06/2000 +0 days 🔍
11/14/2000 +69 days 🔍
11/14/2000 +0 days 🔍
03/15/2004 +1217 days 🔍
06/30/2014 +3759 days 🔍
10/12/2025 +4122 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS00-064
Organization: Microsoft
Status: Confirmed

CVE: CVE-2000-0849 (🔍)
GCVE (CVE): GCVE-0-2000-0849
GCVE (VulDB): GCVE-100-15980
X-Force: 5193 - Microsoft Windows Media Services Unicast Service denial of service
SecurityFocus: 1655 - Microsoft Windows Media Unicast Services DoS Vulnerability
Vulnerability Center: 3968 - [MS00-064] Microsoft Windows Media Unicast Service Race Condition, High

Entryinfo

Created: 06/30/2014 13:14
Updated: 10/12/2025 11:24
Changes: 06/30/2014 13:14 (43), 05/20/2019 14:29 (22), 10/12/2025 11:24 (18)
Complete: 🔍
Cache ID: 216::103

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