PT-2020-3204 · Microsoft · Windows Appx Deployment Extensions+1

Published 2020-07-14 · Updated 2020-07-21 · CVE-2020-1431

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 An elevation of privilege issue exists due to improper privilege management by the Windows AppX Deployment Extensions, allowing access to system files. To exploit this, an authenticated attacker would need to run a specially crafted application to elevate privileges. The security update addresses the issue by correcting how AppX Deployment Extensions manages 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-269

Related Identifiers

BDU:2020-03502

CVE-2020-1431

Affected Products

Windows

Windows Appx Deployment Extensions

References · 7

• https://osv.dev/vulnerability/CVE-2020-1431 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2020-1431 · Vendor Advisory
• https://bdu.fstec.ru/vul/2020-03502 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1431 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-1431 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1431 · Security Note
• https://t.me/cvenotify/5006 · Telegram Post