Microsoft IIS 5.0 WebDAV Request denial of service

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft IIS 5.0. It has been rated as problematic. Affected by this vulnerability is an unknown functionality of the component WebDAV Request Handler. The manipulation leads to denial of service. This vulnerability is traded as CVE-2001-0151. Furthermore, there is an exploit available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability was found in Microsoft IIS 5.0 (Web Server) and classified as problematic. This issue affects an unknown function of the component WebDAV Request Handler. 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. The summary by CVE is:

IIS 5.0 allows remote attackers to cause a denial of service via a series of malformed WebDAV requests.

The issue has been introduced in 02/17/2000. The weakness was shared 06/02/2001 with Microsoft as MS01-016 as confirmed bulletin (Technet). The advisory is shared at microsoft.com. The identification of this vulnerability is CVE-2001-0151. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are unknown but a public exploit is available.

A public exploit has been developed in Perl. The exploit is available at securityfocus.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 385 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 10631 (Microsoft IIS WebDAV Malformed PROPFIND Request Remote DoS), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Web Servers and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 86117 (Microsoft IIS WebDAV Denial of Service Vulnerability (MS01-016)).

Applying the patch MS01-016 is able to eliminate this problem. The bugfix is ready for download at microsoft.com. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 1627.

The vulnerability is also documented in the databases at X-Force (6205), Exploit-DB (20664), Tenable (10631), SecurityFocus (BID 2453†) and Vulnerability Center (SBV-315†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 10631
Nessus Name: Microsoft IIS WebDAV Malformed PROPFIND Request Remote DoS
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 10667
OpenVAS Name: IIS 5.0 PROPFIND Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: MS01-016
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

ISS Proventia IPS: 🔍

Timelineinfo

02/17/2000 🔍
03/08/2001 +385 days 🔍
03/08/2001 +0 days 🔍
03/08/2001 +0 days 🔍
06/02/2001 +86 days 🔍
06/02/2001 +0 days 🔍
12/09/2002 +555 days 🔍
07/04/2014 +4225 days 🔍
10/08/2025 +4114 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS01-016
Organization: Microsoft
Status: Confirmed

CVE: CVE-2001-0151 (🔍)
GCVE (CVE): GCVE-0-2001-0151
GCVE (VulDB): GCVE-100-16709

OVAL: 🔍

X-Force: 6205 - Microsoft IIS WebDAV denial of service
SecurityFocus: 2453 - Microsoft IIS WebDAV Denial of Service Vulnerability
Vulnerability Center: 315 - [MS01-016] DoS in IIS 5.0 via Malformed WebDAV Requests, High

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/04/2014 11:25
Updated: 10/08/2025 06:33
Changes: 07/04/2014 11:25 (81), 05/06/2019 09:37 (6), 01/28/2025 08:50 (17), 10/08/2025 06:33 (4)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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