Microsoft Windows 2000 Share $ADMIN improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability was found in Microsoft Windows 2000 (Operating System). It has been declared as very critical. Affected by this vulnerability is some unknown functionality of the component Share Handler. The manipulation of the argument $ADMIN with an unknown input leads to a weak authentication vulnerability. The CWE definition for the vulnerability is CWE-287. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The installation for Windows 2000 does not activate the Administrator password until the system has rebooted, which allows remote attackers to connect to the ADMIN$ share without a password until the reboot occurs.

The issue has been introduced in 02/17/2000. The weakness was published 02/15/2000 by Posted to Bugtraq on February 15 and 2000 by Stephane Aubert . (Website). The advisory is shared at This vulnerability is known as CVE-2000-0222. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/08/2020).

The vulnerability scanner Nessus provides a plugin with the ID 10394 (Microsoft Windows SMB Log In Possible), 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 remote.

Upgrading eliminates this vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 2178.

The vulnerability is also documented in the databases at SecurityFocus (BID 990), X-Force (3992), Vulnerability Center (SBV-653) and Tenable (10394). Similar entry is available at 13819.





CPE 2.3infoedit

CPE 2.2infoedit


VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.4

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
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Class: Weak authentication
CWE: CWE-287
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 10394
Nessus Name: Microsoft Windows SMB Log In Possible
Nessus File: 🔍
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Threat Intelligenceinfoedit

Interest: 🔍
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Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

TippingPoint: 🔍

McAfee IPS: 🔍
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ISS Proventia IPS: 🔍
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02/15/2000 🔍
02/15/2000 +0 days 🔍
02/15/2000 +0 days 🔍
02/15/2000 +0 days 🔍
02/17/2000 +2 days 🔍
05/09/2000 +82 days 🔍
01/15/2003 +981 days 🔍
06/23/2014 +4177 days 🔍
10/18/2018 +1578 days 🔍
10/08/2020 +721 days 🔍



Researcher: Posted to Bugtraq on February 15/2000 by Stephane Aubert .
Status: Not defined

CVE: CVE-2000-0222 (🔍)
SecurityFocus: 990 - Microsoft Windows 2000 Install Unprotected ADMIN$ Share Vulnerability
X-Force: 3992
Vulnerability Center: 653 - Weak or no password on Microsoft Windows share, Medium

See also: 🔍


Created: 06/23/2014 05:36 PM
Updated: 10/08/2020 08:05 AM
Changes: (1) advisory_person_name
Complete: 🔍


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