PT-2021-1591 · Microsoft · Windows Appx Deployment Extensions+1

Jeongoh Kyea · Published 2021-01-12 · Updated 2024-10-08 · CVE-2021-1685

Positive Technologies (AI Summary)

CVSS v3.1

7.3

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Windows AppX Deployment Extensions (affected versions not specified)

Description The issue is related to insufficient access restrictions in Windows AppX Deployment Extensions, 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. The vulnerability is associated with a privilege escalation risk.

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

CWE-264

Related Identifiers

BDU:2021-00210

CVE-2021-1685

ZDI-21-025

Affected Products

Windows

Windows Appx Deployment Extensions

References · 11

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1685 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-1685 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1685 · Security Note
• https://osv.dev/vulnerability/CVE-2021-1685 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-21-025 · Security Note
• https://bdu.fstec.ru/vul/2021-00210 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-1685 · Security Note
• https://t.me/cibsecurity/22032 · Telegram Post
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1685 · Note
• https://t.me/cvenotify/8775 · Telegram Post
• https://t.me/cibsecurity/21980 · Telegram Post