PT-2021-4762 · Microsoft · Windows Update Assistant

Abdelhamid Naceri · Published 2021-10-27 · Updated 2023-12-28 · CVE-2021-43211

Positive Technologies (AI Summary)

CVSS v2.0

6.6

Medium

Base vector

AV:L/AC:L/Au:N/C:N/I:C/A:C

Name of the Vulnerable Software and Affected Versions Windows Update Assistant versions (affected versions not specified)

Description The issue is related to insufficient access control in the Windows Update Assistant, which can be exploited to elevate privileges.

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:2021-05481

CVE-2021-43211

ZDI-21-1233

Affected Products

Windows Update Assistant

References · 8

• https://bdu.fstec.ru/vul/2021-05481 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43211 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-43211 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-43211 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-21-1233 · Security Note
• https://t.me/cvenotify/23722 · Telegram Post
• https://t.me/cvenotify/23938 · Telegram Post
• https://t.me/cvenotify/23967 · Telegram Post