PT-2021-6318 · Microsoft · Windows Subsystem For Linux+1

Published 2021-09-14 · Updated 2023-12-28 · CVE-2021-36966

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Windows Subsystem for Linux (affected versions not specified)

Description The issue is related to insufficient access restrictions in the Windows Subsystem for Linux, which can be exploited to elevate privileges. This could allow an attacker to affect the system. No information is available about the estimated number of potentially affected devices or real-world incidents.

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

LPE

Improper Privilege Management

Weakness Enumeration

CWE-264

CWE-269

Related Identifiers

BDU:2022-01307

CVE-2021-36966

Affected Products

Windows

Windows Subsystem For Linux

References · 9

• https://osv.dev/vulnerability/CVE-2021-36966 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-01307 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36966 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-36966 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-36966 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-36966 · Vendor Advisory
• https://safe-surf.ru/specialists/bulletins-nkcki/686780 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-36966 · Security Note
• https://cybersecurity-help.cz/vdb/SB2021091450 · Note