CVE-2020-24557: Trend Micro Multiple Products Improper Access Control Vulnerability

Published Aug 31, 2020
·
Updated

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.

Other sources

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.

CISA

Affected Software

9 affected components
Trend Micro Apex One, OfficeScan, and Worry-Free Business Security
trendmicro Apex One=2019
trendmicro Apex One=saas
trendmicro Worry-free Business Security=10.0-sp1
Microsoft Windows
All of the following
Any of the following
trendmicro Apex One
trendmicro Apex One=2019
trendmicro Worry-free Business Security=10.0-sp1
Microsoft Windows

Event History

Aug 31, 2020
Advisory Published
via ZDI·12:00 AM
Data Sourced
via ZDI·12:00 AM
DescriptionSeverityAffected Software
Sep 1, 2020
CVE Published
via MITRE·06:55 PM
Data Sourced
via MITRE·06:55 PM
DescriptionWeakness
Data Sourced
via NVD·07:15 PM
DescriptionSeverityAffected Software
Nov 3, 2021
Known Exploited
via CISA·12:00 AM
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is CVE-2020-24557?

CVE-2020-24557 is a vulnerability in Trend Micro Apex One and Worry-Free Business Security 10.0 SP1 on Microsoft Windows that allows an attacker to manipulate a product folder, disable security temporarily, abuse a Windows function, and escalate privileges.

2

What is the severity of CVE-2020-24557?

CVE-2020-24557 has a severity rating of 7.8 (High).

3

Which software is affected by CVE-2020-24557?

CVE-2020-24557 affects Trend Micro Apex One, OfficeScan, and Worry-Free Business Security 10.0 SP1 on Microsoft Windows.

4

How can an attacker exploit CVE-2020-24557?

An attacker can exploit CVE-2020-24557 by manipulating a specific product folder, temporarily disabling security, abusing a Windows function, and escalating privileges.

5

Where can I find more information about CVE-2020-24557?

You can find more information about CVE-2020-24557 at the following references: [Link 1](https://success.trendmicro.com/solution/000263632), [Link 2](https://www.zerodayinitiative.com/advisories/ZDI-20-1094/), [Link 3](https://success.trendmicro.com/solution/000267260).

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203