PT-2025-6319 · Microsoft · Windows Ldap+1

Published 2025-02-11 · Updated 2025-04-01 · CVE-2025-21376

Positive Technologies (AI Summary)

CVSS v3.1

8.1

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Windows Lightweight Directory Access Protocol (LDAP) (affected versions not specified)

Description The issue is related to the implementation of the Lightweight Directory Access Protocol (LDAP) in Windows, caused by synchronization errors when using a shared resource. This allows a remote attacker to execute arbitrary code, potentially affecting the system. The vulnerability is considered critical and has been identified as being actively exploited.

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

RCE

Integer Underflow

Race Condition

Heap Based Buffer Overflow

Weakness Enumeration

CWE-191

CWE-362

CWE-122

Related Identifiers

BDU:2025-02028

CVE-2025-21376

Affected Products

Windows

Windows Ldap

References · 25

• https://safe-surf.ru/specialists/bulletins-nkcki/718197 · Security Note
• https://bdu.fstec.ru/vul/2025-02028 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-21376 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21376 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2025-21376 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-21376 · Security Note
• https://osv.dev/vulnerability/CVE-2025-21376 · Vendor Advisory
• https://twitter.com/CVEnew/status/1889378137039052992 · Twitter Post
• https://twitter.com/transilienceai/status/1898342253522772276 · Twitter Post
• https://twitter.com/windowsforum/status/1891689264259158297 · Twitter Post
• https://twitter.com/Jfreeg_/status/1889684549208023174 · Twitter Post
• https://twitter.com/transilienceai/status/1893635017823097011 · Twitter Post
• https://twitter.com/DCWebGuy/status/1889967140612260262 · Twitter Post
• https://t.me/avleonovcom/1508 · Telegram Post
• https://twitter.com/transilienceai/status/1891097665242304885 · Twitter Post