Microsoft Windows NT 4.0 RPC Endpoint Mapper denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Microsoft Windows NT 4.0. Impacted is an unknown function of the component RPC Endpoint Mapper. Executing a manipulation can lead to denial of service. This vulnerability is tracked as CVE-2001-0662. The attack can be launched remotely. No exploit exists. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability has been found in Microsoft Windows NT 4.0 (Operating System) and classified as problematic. This vulnerability affects some unknown functionality of the component RPC Endpoint Mapper. 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. CVE summarizes:

RPC endpoint mapper in Windows NT 4.0 allows remote attackers to cause a denial of service (loss of RPC services) via a malformed request.

The weakness was disclosed 10/30/2001 as MS01-048 as confirmed bulletin (Technet). The advisory is shared for download at microsoft.com. This vulnerability was named CVE-2001-0662. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

The vulnerability scanner Nessus provides a plugin with the ID 10806 (MS01-048: RPC Endpoint Mapper Malformed Request DoS (305399)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 68509 (Microsoft Windows NT RPC Endpoint Mapper Denial of Service Vulnerability (MS01-048)).

Applying the patch MS01-048 is able to eliminate this problem. The bugfix is ready for download at microsoft.com. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (7105), Tenable (10806), SecurityFocus (BID 3313†) and Vulnerability Center (SBV-344†). Once again VulDB remains the best source for vulnerability data.

Productinfo

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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

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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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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Nessus ID: 10806
Nessus Name: MS01-048: RPC Endpoint Mapper Malformed Request DoS (305399)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: MS01-048

Timelineinfo

09/10/2001 🔍
09/10/2001 +0 days 🔍
10/30/2001 +50 days 🔍
10/30/2001 +0 days 🔍
10/30/2001 +0 days 🔍
11/19/2001 +20 days 🔍
12/11/2002 +387 days 🔍
07/10/2014 +4229 days 🔍
10/05/2025 +4105 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS01-048
Status: Confirmed

CVE: CVE-2001-0662 (🔍)
GCVE (CVE): GCVE-0-2001-0662
GCVE (VulDB): GCVE-100-17572
X-Force: 7105 - Microsoft Windows RPC endpoint mapper malformed request denial of service
SecurityFocus: 3313 - Microsoft Windows NT RPC Endpoint Mapper Denial of Service Vulnerability
Vulnerability Center: 344 - [MS01-048] DoS in Windows NT 4.0 RPC Endpoint Mapper, High

Entryinfo

Created: 07/10/2014 11:44
Updated: 10/05/2025 12:41
Changes: 07/10/2014 11:44 (63), 05/06/2019 11:25 (9), 10/05/2025 12:41 (17)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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