PT-2021-6965 · Microsoft · Windows

Polar Bear · Published 2021-07-13 · Updated 2023-12-28 · CVE-2021-34511

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 (affected versions not specified)

Description The issue is related to insufficient access restrictions in the Windows Installer component, allowing an attacker to potentially elevate their privileges. This could affect the system, but specific details about the number of potentially affected devices or real-world incidents are not provided.

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-269

Related Identifiers

BDU:2022-02751

CVE-2021-34511

Affected Products

Windows

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2021-34511 · Security Note
• https://bdu.fstec.ru/vul/2022-02751 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34511 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34511 · Security Note
• https://osv.dev/vulnerability/CVE-2021-34511 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-34511 · Vendor Advisory