Microsoft Windows Server 2012 up to Server 2022 23H2 Remote Desktop Gateway 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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5.2$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Microsoft Windows Server 2012 up to Server 2022 23H2. This issue affects some unknown processing of the component Remote Desktop Gateway. Such manipulation leads to sensitive data storage in improperly locked memory. This vulnerability is listed as CVE-2025-30394. The attack may be performed from remote. There is no available exploit. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in Microsoft Windows Server 2012 up to Server 2022 23H2. It has been rated as problematic. Affected by this issue is an unknown functionality of the component Remote Desktop Gateway. The manipulation with an unknown input leads to a sensitive data storage in improperly locked memory vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability.

The weakness was presented 05/13/2025 as confirmed security update guide (Website). The advisory is shared for download at msrc.microsoft.com. This vulnerability is handled as CVE-2025-30394. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 03/17/2026).

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

The vulnerability is also documented in the databases at EUVD (EUVD-2025-14445) and CERT Bund (WID-SEC-2025-1050). Once again VulDB remains the best source for vulnerability data.

Affected

  • Hitachi Storage
  • Microsoft Windows Server 2019
  • Microsoft Windows Server
  • Microsoft Windows
  • Microsoft Windows 11
  • Microsoft Windows Server 2022
  • Microsoft Windows 10
  • Microsoft Windows Server 2016
  • Microsoft Windows Server 2012
  • Microsoft Windows Server 2012 R2

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.9
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Microsoft): 5.9
Vendor 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

05/13/2025 🔍
05/13/2025 +0 days 🔍
05/13/2025 +0 days 🔍
03/17/2026 +307 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: msrc.microsoft.com
Status: Confirmed

CVE: CVE-2025-30394 (🔍)
GCVE (CVE): GCVE-0-2025-30394
GCVE (VulDB): GCVE-100-308708
EUVD: 🔍
CERT Bund: WID-SEC-2025-1050 - Microsoft Windows Server: Mehrere Schwachstellen ermöglichen Privilegieneskalation

Entryinfo

Created: 05/13/2025 19:37
Updated: 03/17/2026 07:40
Changes: 05/13/2025 19:37 (18), 05/13/2025 19:38 (17), 05/13/2025 19:41 (34), 05/14/2025 14:41 (1), 03/17/2026 07:40 (7)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

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