Microsoft Windows NT 4.0 Drive Letter Mapper Subst.exe Path information disclosure
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 3.2 | $0-$5k | 0.00 |
Summary
A vulnerability classified as problematic was found in Microsoft Windows NT 4.0. This issue affects some unknown processing of the file Subst.exe of the component Drive Letter Mapper. Such manipulation leads to information disclosure (Path). This vulnerability is listed as CVE-1999-0824. The attack must be carried out locally. There is no available exploit. Upgrading the affected component is advised.
Details
A vulnerability was found in Microsoft Windows NT 4.0 (Operating System) and classified as problematic. Affected by this issue is an unknown function of the file Subst.exe of the component Drive Letter Mapper. The manipulation with an unknown input leads to a information disclosure vulnerability (Path). Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. CVE summarizes:
A Windows NT user can use SUBST to map a drive letter to a folder, which is not unmapped after the user logs off, potentially allowing that user to modify the location of folders accessed by later users.
The weakness was presented 11/30/1999 (Website). The advisory is shared for download at securityfocus.com. This vulnerability is handled as CVE-1999-0824. The exploitation is known to be easy. The attack needs to be approached locally. The successful exploitation requires a simple authentication. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1592.
Upgrading to version 2000 eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 833†). See VDB-15011 for similar entry. VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.microsoft.com/
- Product: https://www.microsoft.com/en-us/windows
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 3.3VulDB Meta Temp Score: 3.2
VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Name: PathClass: Information disclosure / Path
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Windows 2000
Timeline
11/30/1999 🔍11/30/1999 🔍
11/30/1999 🔍
06/22/2014 🔍
04/19/2026 🔍
Sources
Vendor: microsoft.comProduct: microsoft.com
Advisory: securityfocus.com⛔
Status: Confirmed
CVE: CVE-1999-0824 (🔍)
GCVE (CVE): GCVE-0-1999-0824
GCVE (VulDB): GCVE-100-15008
SecurityFocus: 833 - NT Subst.exe Vulnerability
See also: 🔍
Entry
Created: 06/22/2014 15:13Updated: 04/19/2026 21:00
Changes: 06/22/2014 15:13 (42), 04/07/2017 16:02 (14), 04/19/2026 21:00 (17)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
No comments yet. Languages: en.
Please log in to comment.