PT-2021-6037 · Microsoft · Windows Appx Deployment Extensions+1

Ga1Ois + 1 · Published 2021-07-13 · Updated 2023-12-28 · CVE-2021-34462

Positive Technologies (AI Summary)

CVSS v3.1

7.0

High

Base vector

AV:L/AC:H/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 elevate their privileges using a specially crafted application. This can affect the system, potentially leading to privilege escalation.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

LPE

Race Condition

Weakness Enumeration

CWE-296

CWE-362

CWE-294

Related Identifiers

BDU:2022-00630

CVE-2021-34462

ZDI-21-823

Affected Products

Windows

Windows Appx Deployment Extensions

References · 11

• https://nvd.nist.gov/vuln/detail/CVE-2021-34462 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-21-823 · Security Note
• https://osv.dev/vulnerability/CVE-2021-34462 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-00630 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34462 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34462 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-34462 · Vendor Advisory
• https://t.me/defcon_news/109600 · Telegram Post
• https://t.me/rnetsec/18149 · Telegram Post
• https://t.me/secharvester/13421 · Telegram Post
• https://t.me/cvenotify/17778 · Telegram Post