Microsoft Windows up to Server 2025 Digest Authentication sensitive data storage in improperly locked memory

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.4$5k-$25k0.00

Summaryinfo

A vulnerability was found in Microsoft Windows. It has been rated as critical. This affects an unknown function of the component Digest Authentication. This manipulation causes sensitive data storage in improperly locked memory. The identification of this vulnerability is CVE-2025-21294. It is possible to initiate the attack remotely. There is no exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability has been found in Microsoft Windows and classified as critical. Affected by this vulnerability is an unknown function of the component Digest Authentication. The manipulation with an unknown input leads to a sensitive data storage in improperly locked memory vulnerability. The CWE definition for the vulnerability is CWE-591. The product stores sensitive data in memory that is not locked, or that has been incorrectly locked, which might cause the memory to be written to swap files on disk by the virtual memory manager. This can make the data more accessible to external actors. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Microsoft Digest Authentication Remote Code Execution Vulnerability

The weakness was shared 01/14/2025 as confirmed security update guide (Website). It is possible to read the advisory at msrc.microsoft.com. This vulnerability is known as CVE-2025-21294. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 01/25/2025).

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Vendor

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.1
VulDB Meta Temp Score: 7.4

VulDB Base Score: 8.1
VulDB Temp Score: 7.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Microsoft): 8.1
Vendor Vector (Microsoft): 🔍

CNA Base Score: 8.1
CNA Vector (Microsoft): 🔍

CVSSv2info

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

Exploitinginfo

Class: Sensitive data storage in improperly locked memory
CWE: CWE-591 / CWE-200 / CWE-284
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

01/14/2025 🔍
01/14/2025 +0 days 🔍
01/14/2025 +0 days 🔍
01/25/2025 +11 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: msrc.microsoft.com
Status: Confirmed

CVE: CVE-2025-21294 (🔍)
GCVE (CVE): GCVE-0-2025-21294
GCVE (VulDB): GCVE-100-291739
scip Labs: https://www.scip.ch/en/?labs.20161215

Entryinfo

Created: 01/14/2025 19:51
Updated: 01/25/2025 09:36
Changes: 01/14/2025 19:51 (35), 01/14/2025 19:54 (34), 01/25/2025 09:36 (12)
Complete: 🔍
Cache ID: 216::103

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