PULSE
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FEED
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CVE Watch—

CVE-2020-24557

Trend Micro Multiple Products Improper Access Control Vulnerability

CVSS

—

No CVSS

EPSS

2.7%

p85

KEV

YES

Nov 3, 2021

Exploit Today

76

0-100

Published: — · Last modified: —

EPSS · 30d
2.6%EPSS · 30 days2.7%
2026-09-172026-10-15
KEV catalog record

Product

Trend Micro / Apex One, OfficeScan, and Worry-Free Business Security

Vulnerability

Trend Micro Multiple Products Improper Access Control Vulnerability

Added to KEV

Nov 3, 2021

Remediate by

May 3, 2022

Known ransomware use

No

Summary description

Trend Micro Apex One, OfficeScan, and Worry-Free Business Security on Microsoft Windows contain an improper access control vulnerability that may allow an attacker to manipulate a particular product folder to disable the security temporarily, abuse a specific Windows function, and attain privilege escalation.

Required action

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2020-24557

Related CVEs

No related CVEs by CWE or product.