CVE-2025-21203

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-21203
Buffer over-read in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to disclose information over a network.

6.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21203 Vendor Advisory
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*
History

10 Jul 2025, 15:52

Type Values Removed Values Added
References () https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21203 - () https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21203 - Vendor Advisory
CPE cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x86:*
First Time Microsoft windows Server 2016
Microsoft
Microsoft windows Server 2025
Microsoft windows Server 2012
Microsoft windows Server 2022 23h2
Microsoft windows Server 2022
Microsoft windows Server 2008
Microsoft windows Server 2019

09 Apr 2025, 20:03

Type Values Removed Values Added
Summary
  • (es) La sobrelectura de búfer en el Servicio de enrutamiento y acceso remoto de Windows (RRAS) permite que un atacante no autorizado divulgue información a través de una red.

08 Apr 2025, 18:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-04-08 18:15

Updated : 2025-07-10 15:52

NVD link : CVE-2025-21203

Mitre link : CVE-2025-21203

CVE.ORG link : CVE-2025-21203

JSON object : View

Products Affected

microsoft

  • windows_server_2016
  • windows_server_2022
  • windows_server_2012
  • windows_server_2019
  • windows_server_2025
  • windows_server_2008
  • windows_server_2022_23h2
CWE
CWE-126

Buffer Over-read