PT-2025-1171 · Microsoft · Windows Remote Desktop Gateway+1

Published 2025-01-14 · Updated 2025-01-22 · CVE-2025-21225

Positive Technologies (AI Summary)

CVSS v3.1

5.9

Medium

Base vector

AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Windows Remote Desktop Gateway (RD Gateway) (affected versions not specified)

Description A denial-of-service issue affects the Windows Remote Desktop Gateway (RD Gateway), allowing attackers to impact the system. The vulnerability is related to data type mixing errors in the RD Gateway. Exploitation of this issue may allow a remote attacker to cause a denial of service.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Type Confusion

Weakness Enumeration

CWE-843

Related Identifiers

BDU:2025-00453

CVE-2025-21225

Affected Products

Windows

Windows Remote Desktop Gateway

References · 9

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21225 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2025-21225 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-21225 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-21225 · Security Note
• https://bdu.fstec.ru/vul/2025-00453 · Security Note
• https://osv.dev/vulnerability/CVE-2025-21225 · Vendor Advisory
• https://twitter.com/CRS_Cyber/status/1881952440058093670 · Twitter Post
• https://twitter.com/CVEnew/status/1879290789240389785 · Twitter Post
• https://twitter.com/windowsforum/status/1879340455873146906 · Twitter Post