PT-2020-2948 · Microsoft · Windows Modules Installer Service+1

Published 2020-06-09 · Updated 2021-07-21 · CVE-2020-1254

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 Modules Installer Service (affected versions not specified)

Description The issue is related to the improper handling of class object members in memory by the Windows Modules Installer Service, which can allow an attacker to elevate their privileges. A locally authenticated attacker could run arbitrary code with elevated system privileges.

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

Related Identifiers

BDU:2020-03105

CVE-2020-1254

Affected Products

Windows

Windows Modules Installer Service

References · 6

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1254 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2020-1254 · Vendor Advisory
• https://bdu.fstec.ru/vul/2020-03105 · Security Note
• https://osv.dev/vulnerability/CVE-2020-1254 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-1254 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1254 · Security Note