CVE-2020-24557

HighActively exploited (CISA KEV)

Description

A vulnerability in Trend Micro Apex One and Worry-Free Business Security 10.0 SP1 on Microsoft Windows may allow an attacker to manipulate a particular product folder to disable the security temporarily, abuse a specific Windows function and attain privilege escalation. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. Please note that version 1909 (OS Build 18363.719) of Microsoft Windows 10 mitigates hard links, but previous versions are affected.

SeverityHigh
CVSS7.8
Exploit probability—
ProductTrend Micro Apex One, OfficeScan, and Worry-Free Business Security
PublishedSep 1, 2020
First seenSep 1, 2020
Added to KEVNov 3, 2021

How to fix

CISA required action

Apply updates per vendor instructions.

CISA due date: May 3, 2022

Affected products

ProductAffected versionsFixed in
trendmicro apex_oneNo range specified, 2019—
trendmicro worry-free_business_security10.0—

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