Microsoft Windows NT 4.0 CIFS Computer Browser 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 labeled as problematic has been found in Microsoft Windows NT 4.0. Impacted is an unknown function of the component CIFS Computer Browser. Executing a manipulation can lead to denial of service. This vulnerability is tracked as CVE-2000-0403. No exploit exists. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability has been found in Microsoft Windows NT 4.0 (Operating System) and classified as problematic. This vulnerability affects an unknown part of the component CIFS Computer Browser. 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:

The CIFS Computer Browser service on Windows NT 4.0 allows a remote attacker to cause a denial of service by sending a large number of host announcement requests to the master browse tables, aka the "HostAnnouncement Flooding" or "HostAnnouncement Frame" vulnerability.

The weakness was disclosed 05/25/2000 by David Litchfield with Microsoft as MS00-036 as confirmed bulletin (Technet). The advisory is shared for download at microsoft.com. This vulnerability was named CVE-2000-0403. 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 commercial vulnerability scanner Qualys is able to test this issue with plugin 90152 ('ResetBrowser Frame' and 'HostAnnouncement Frame' Vulnerabilities (MS00-036)).

Applying the patch MS00-036 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 (4547), SecurityFocus (BID 1261†) and Vulnerability Center (SBV-3066†). The entry VDB-15593 is pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

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: 🔍
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: MS00-036

Timelineinfo

05/25/2000 🔍
05/25/2000 +0 days 🔍
05/25/2000 +0 days 🔍
05/25/2000 +0 days 🔍
12/02/2003 +1286 days 🔍
06/24/2014 +3857 days 🔍
04/21/2026 +4319 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS00-036
Researcher: David Litchfield
Organization: Microsoft
Status: Confirmed

CVE: CVE-2000-0403 (🔍)
GCVE (CVE): GCVE-0-2000-0403
GCVE (VulDB): GCVE-100-15592
X-Force: 4547
SecurityFocus: 1261 - Microsoft Windows NT 4.0 HostAnnouncement DoS Vulnerability
Vulnerability Center: 3066 - [MS00-036] Windows NT 4.0 and Windows 2000 Browser Service DoS, High

See also: 🔍

Entryinfo

Created: 06/24/2014 18:07
Updated: 04/21/2026 17:35
Changes: 06/24/2014 18:07 (45), 05/17/2019 12:34 (22), 04/21/2026 17:35 (16)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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