Microsoft Windows NT 4.0/2000 Password Authentication improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Microsoft Windows NT 4.0/2000. This vulnerability affects unknown code of the component Password Authentication. This manipulation causes improper authentication. The identification of this vulnerability is CVE-1999-0504. Furthermore, there is an exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Microsoft Windows NT 4.0/2000 (Operating System) and classified as critical. Affected by this vulnerability is an unknown functionality of the component Password Authentication. 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:

a windows nt local user or administrator account has a default null blank or missing password.

The weakness was shared 01/01/1997. This vulnerability is known as CVE-1999-0504. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available.

It is possible to download the exploit at packetstormsecurity.com. It is declared as highly functional. We expect the 0-day to have been worth approximately $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 26918 (Microsoft Windows SMB Blank Administrator Password), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 5005 (NetBIOS Brute Force of Accounts).

Upgrading to version Server 2003 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (1303), Exploit-DB (16374), Tenable (26918), SecurityFocus (BID 990†) and Vulnerability Center (SBV-1113†). The entries VDB-13823, VDB-14231, VDB-14232 and VDB-15325 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
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: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 26918
Nessus Name: Microsoft Windows SMB Blank Administrator Password
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: psexec_command.rb
MetaSploit Name: Microsoft Windows Authenticated Administration Utility
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Windows Server 2003

Timelineinfo

01/01/1997 🔍
01/01/1997 +0 days 🔍
01/01/1997 +0 days 🔍
02/15/2000 +1140 days 🔍
03/23/2003 +1132 days 🔍
10/04/2007 +1656 days 🔍
06/17/2014 +2448 days 🔍
03/02/2025 +3911 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Status: Confirmed

CVE: CVE-1999-0504 (🔍)
GCVE (CVE): GCVE-0-1999-0504
GCVE (VulDB): GCVE-100-13819
X-Force: 1303
SecurityFocus: 990 - Microsoft Windows 2000 Install Unprotected ADMIN$ Share Vulnerability
Vulnerability Center: 1113 - Windows NT Local User/Administrator with Default, Null, Blank or Missing Password, Low

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

Entryinfo

Created: 06/18/2014 00:14
Updated: 03/02/2025 23:40
Changes: 06/18/2014 00:14 (69), 05/09/2019 17:48 (2), 06/21/2024 12:55 (19), 03/02/2025 23:40 (4)
Complete: 🔍
Cache ID: 216:67B:103

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