PT-2020-1661 · Microsoft · Windows Malicious Software Removal Tool

Ma7H1As + 1 · Published 2020-02-11 · Updated 2021-07-21 · CVE-2020-0733

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 Malicious Software Removal Tool (MSRT) (affected versions not specified)

Description An elevation of privilege issue exists due to the Windows Malicious Software Removal Tool (MSRT) improperly handling junctions. To exploit this, an attacker must first gain execution on the victim system. The vulnerability can be exploited by a specially crafted application, allowing an attacker to elevate their 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:2020-00894

CVE-2020-0733

Affected Products

Windows Malicious Software Removal Tool

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2020-0733 · Security Note
• https://bdu.fstec.ru/vul/2020-00894 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0733 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-0733 · Vendor Advisory
• https://t.me/cvenotify/878 · Telegram Post