Microsoft Windows 2000 Protected Store missing encryption

CVSS Meta Temp Score
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Windows 2000. It has been classified as critical. The affected element is an unknown function of the component Protected Store. Performing a manipulation results in missing encryption. This vulnerability is known as CVE-2000-0487. Attacking locally is a requirement. No exploit is available. Due to its background and reception, this vulnerability has an historic impact. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical has been found in Microsoft Windows 2000 (Operating System). This affects an unknown code block of the component Protected Store. The manipulation with an unknown input leads to a missing encryption vulnerability. CWE is classifying the issue as CWE-311. The product does not encrypt sensitive or critical information before storage or transmission. This is going to have an impact on confidentiality, and integrity. The summary by CVE is:

The Protected Store in Windows 2000 does not properly select the strongest encryption when available, which causes it to use a default of 40-bit encryption instead of 56-bit DES encryption, aka the "Protected Store Key Length" vulnerability.

The issue has been introduced in 02/17/2000. The weakness was published 06/01/2000 with Microsoft as MS00-032 as confirmed bulletin (Technet). It is possible to read the advisory at microsoft.com. This vulnerability is uniquely identified as CVE-2000-0487. The exploitability is told to be easy. Attacking locally is a requirement. The requirement for exploitation is a authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/21/2026). The attack technique deployed by this issue is T1600 according to MITRE ATT&CK. Due to its background and reception, this vulnerability has a historic impact.

The vulnerability was handled as a non-public zero-day exploit for at least 105 days. During that time the estimated underground price was around $5k-$25k.

Upgrading to version Server 2003 eliminates this vulnerability. Applying the patch MS00-032 is able to eliminate this problem. The bugfix is ready for download at microsoft.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at X-Force (4589), SecurityFocus (BID 1295†) and Vulnerability Center (SBV-794†). Be aware that VulDB is the high quality source for 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: 4.4
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.4
VulDB Temp Score: 4.2
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: Missing encryption
CWE: CWE-311 / CWE-310
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Windows Server 2003
Patch: MS00-032

Timelineinfo

02/17/2000 🔍
06/01/2000 +105 days 🔍
06/01/2000 +0 days 🔍
06/01/2000 +0 days 🔍
06/01/2000 +0 days 🔍
02/04/2003 +978 days 🔍
06/24/2014 +4158 days 🔍
04/21/2026 +4319 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS00-032
Organization: Microsoft
Status: Confirmed

CVE: CVE-2000-0487 (🔍)
GCVE (CVE): GCVE-0-2000-0487
GCVE (VulDB): GCVE-100-15615
X-Force: 4589
SecurityFocus: 1295
Vulnerability Center: 794 - [MS00-032] Microsoft Windows 2000 Default 40-bit Encrypted Protected Store Vulnerability, Low

Entryinfo

Created: 06/24/2014 23:39
Updated: 04/21/2026 18:31
Changes: 06/24/2014 23:39 (47), 04/07/2017 16:02 (19), 04/21/2026 18:31 (16)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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