PT-2021-3091 · Microsoft · Windows Container Manager Service+1

James Forshaw · Published 2021-05-11 · Updated 2023-08-02 · CVE-2021-31167

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 Container Manager Service (affected versions not specified)

Description The issue is related to insufficient access restrictions in the Windows Container Manager Service, which can be exploited to elevate privileges. This allows an attacker to affect the system. No information is available on 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

Incorrect Permission

Improper Privilege Management

Weakness Enumeration

CWE-732

CWE-269

Related Identifiers

BDU:2021-02714

CVE-2021-31167

Affected Products

Windows

Windows Container Manager Service

References · 13

• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-31167 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-31167 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-31167 · Vendor Advisory
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31167 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-02714 · Security Note
• https://osv.dev/vulnerability/CVE-2021-31167 · Vendor Advisory
• https://t.me/cvenotify/14295 · Telegram Post
• https://t.me/cvenotify/14448 · Telegram Post
• http://packetstormsecurity.com/files/162559/Windows-Container-Manager-Service-CmsRpcSrv_MapNamedPipeToContainer-Privilege-Escalation.html · Note
• https://t.me/cvenotify/14294 · Telegram Post
• https://t.me/cvenotify/14622 · Telegram Post
• https://cxsecurity.com/cveshow/CVE-2021-31167 · Note
• https://t.me/cvenotify/14447 · Telegram Post