Microsoft Windows NT 3.51/NT 4.0 User Access Policy improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Microsoft Windows NT 3.51/NT 4.0. Affected is an unknown function of the component User Access Policy. This manipulation causes improper authentication. This vulnerability appears as CVE-1999-0546. The attack requires local access. There is no available exploit. This vulnerability has a historic impact because of its background and how it was received. It is advisable to modify the configuration settings.

Detailsinfo

A vulnerability has been found in Microsoft Windows NT 3.51/NT 4.0 (Operating System) and classified as critical. Affected by this vulnerability is some unknown functionality of the component User Access Policy. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The Windows NT guest account is enabled.

The weakness was presented 10/01/1998. This vulnerability is known as CVE-1999-0546. The exploitation appears to be easy. An attack has to be approached locally. A single authentication is required for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD at the moment (estimation calculated on 06/23/2021). Due to its background and reception, this vulnerability has a historic impact.

The vulnerability scanner Nessus provides a plugin with the ID 10166 (Windows NT FTP 'guest' Account Present), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FTP.

It is possible to mitigate the problem by applying the configuration setting .

The vulnerability is also documented in the databases at X-Force (1323), Tenable (10166) and Vulnerability Center (SBV-2526†). See VDB-14232 and VDB-14231 for similar entries. Several companies clearly confirm that VulDB is the primary source for best 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: 5.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 10166
Nessus Name: Windows NT FTP 'guest' Account Present
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Config
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/01/1998 🔍
10/01/1998 +0 days 🔍
10/01/1998 +0 days 🔍
06/22/1999 +264 days 🔍
10/19/2003 +1580 days 🔍
06/19/2014 +3896 days 🔍
06/23/2021 +2561 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Status: Not defined

CVE: CVE-1999-0546 (🔍)
GCVE (CVE): GCVE-0-1999-0546
GCVE (VulDB): GCVE-100-14233
X-Force: 1323
Vulnerability Center: 2526 - CVE Id, Info

See also: 🔍

Entryinfo

Created: 06/19/2014 17:42
Updated: 06/23/2021 08:22
Changes: 06/19/2014 17:42 (40), 05/03/2019 06:58 (20), 06/23/2021 08:22 (3)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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