PT-2023-1090 · Microsoft · Windows Local Session Manager+1

Ben Barnea · Published 2023-01-10 · Updated 2024-05-29 · CVE-2023-21771

Positive Technologies (AI Summary)

CVSS v3.1

7.0

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Windows Local Session Manager (LSM) (affected versions not specified)

Description The issue is caused by synchronization errors when using a shared resource in the Windows Local Session Manager (LSM) component of the Windows operating system. This allows an attacker to gain unauthorized access to the device. The vulnerability enables attackers to affect the system, potentially leading to elevation of privilege.

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

LPE

Race Condition

Weakness Enumeration

CWE-362

CWE-591

Related Identifiers

BDU:2023-00240

CVE-2023-21771

Affected Products

Windows

Windows Local Session Manager

References · 9

• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-21771 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21771 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2023-21771 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-00240 · Security Note
• https://osv.dev/vulnerability/CVE-2023-21771 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-21771 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-21771 · Note
• https://t.me/cvenotify/42280 · Telegram Post
• https://t.me/cibsecurity/56315 · Telegram Post