PT-2020-1903 · Microsoft · Windows Appx Deployment Server+1

Jeongoh Kyea + 1 · Published 2020-03-10 · Updated 2021-07-21 · CVE-2020-0776

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 Server (affected versions not specified)

Description The issue is related to an elevation of privilege vulnerability in the Windows AppX Deployment Server, which improperly handles file operations. To exploit this, an attacker must first gain execution on the victim system. This can potentially allow an attacker to elevate their privileges using a specially crafted application.

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

Improper Privilege Management

Weakness Enumeration

CWE-269

CWE-264

Related Identifiers

BDU:2020-01180

CVE-2020-0776

ZDI-20-277

Affected Products

Windows

Windows Appx Deployment Server

References · 7

• https://osv.dev/vulnerability/CVE-2020-0776 · Vendor Advisory
• https://bdu.fstec.ru/vul/2020-01180 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-0776 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2020-0776 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-20-277 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2020-0776 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0776 · Vendor Advisory