SB20250211127 - Improper Authentication in Microsoft Windows Remote Desktop Configuration Service
Published: February 11, 2025 Updated: March 10, 2025
Security Bulletin ID
SB20250211127
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper Authentication (CVE-ID: CVE-2025-21349)
CWE-ID: CWE-287 - Improper Authentication
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error when processing authentication requests in Windows Remote Desktop Configuration Service. A remote attacker can perform a man-in-the-middle (MitM) attack, bypass authentication process and gain unauthorized access to the application.
Remediation
Install update from vendor's website.