PT-2021-1689 · Microsoft · Windows Appx Deployment Extensions+1

404Death + 3 · Published 2021-01-12 · Updated 2024-10-08 · CVE-2021-1642

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 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 using a specially crafted application. This could impact the system, enabling attackers to affect it.

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:2021-00345

CVE-2021-1642

ZDI-21-027

Affected Products

Windows

Windows Appx Deployment Extensions

References · 14

• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1642 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1642 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-00345 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-1642 · Security Note
• https://osv.dev/vulnerability/CVE-2021-1642 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-1642 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-21-027 · Security Note
• https://t.me/cibsecurity/22032 · Telegram Post
• https://t.me/cvenotify/65781 · Telegram Post
• https://t.me/cvenotify/97489 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2021011224 · Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1642 · Note
• https://t.me/cvenotify/8775 · Telegram Post
• https://t.me/cibsecurity/21980 · Telegram Post