Microsoft Windows NT 4.0/2000 RPC Server denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Microsoft Windows NT 4.0/2000. This affects an unknown part of the component RPC Server. This manipulation causes denial of service. This vulnerability is handled as CVE-2001-0509. There is not any exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability classified as problematic was found in Microsoft Windows NT 4.0/2000 (Operating System). Affected by this vulnerability is an unknown code of the component RPC Server. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. The summary by CVE is:

Vulnerabilities in RPC servers in (1) Microsoft Exchange Server 2000 and earlier, (2) Microsoft SQL Server 2000 and earlier, (3) Windows NT 4.0, and (4) Windows 2000 allow remote attackers to cause a denial of service via malformed inputs.

The weakness was released 09/20/2001 by BindView with Microsoft as MS01-041 as confirmed bulletin (Technet). It is possible to read the advisory at microsoft.com. This vulnerability is known as CVE-2001-0509. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 74151 (Microsoft Exchange Malformed RPC Request Can Cause Service Failure (MS01-041)).

Applying the patch MS01-041 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 (7528), SecurityFocus (BID 3104†) and Vulnerability Center (SBV-836†). Entry connected to this vulnerability is available at VDB-17373. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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: MS01-041
McAfee IPS: 🔍
McAfee IPS Version: 🔍

Timelineinfo

07/26/2001 🔍
09/20/2001 +56 days 🔍
09/20/2001 +0 days 🔍
09/20/2001 +0 days 🔍
02/05/2003 +503 days 🔍
07/09/2014 +4172 days 🔍
10/05/2025 +4106 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS01-041
Researcher: BindView
Organization: Microsoft
Status: Confirmed

CVE: CVE-2001-0509 (🔍)
GCVE (CVE): GCVE-0-2001-0509
GCVE (VulDB): GCVE-100-17371

OVAL: 🔍

X-Force: 7528
SecurityFocus: 3104 - Microsoft Remote Procedure Call Service DoS Vulnerability
Vulnerability Center: 836 - [MS01-041] DoS in RPC Service of Microsoft Exchange Server, SQL Server and Windows NT/2000, Medium

See also: 🔍

Entryinfo

Created: 07/09/2014 12:23
Updated: 10/05/2025 23:57
Changes: 07/09/2014 12:23 (64), 05/09/2019 06:29 (4), 10/05/2025 23:57 (18)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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