CVE-2021-43771: Trend Micro Antivirus for Mac Improper Access Control Privilege Escalation Vulnerability

Published Nov 30, 2021
·
Updated

This vulnerability allows local attackers to escalate privileges on affected installations of Trend Micro Antivirus for Mac. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within com.trendmicro.AFM.HelperTool. The issue results from improper access control. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of root.

Other sources

Trend Micro Antivirus for Mac 2021 v11 (Consumer) is vulnerable to an improper access control privilege escalation vulnerability that could allow an attacker to establish a connection that could lead to full local privilege escalation within the application. Please note that an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

Affected Software

2 affected components
Trend Micro Antivirus for Mac
trendmicro Antivirus Macos>=11.0<11.0.2163

Event History

Nov 30, 2021
CVE Published
via MITRE·11:18 AM
Data Sourced
via MITRE·11:18 AM
DescriptionWeakness
Jan 29, 2025
Advisory Published
via ZDI·09:04 AM
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Frequently Asked Questions

1

What is the vulnerability ID?

The vulnerability ID is CVE-2021-43771.

2

What is the title of the vulnerability?

The title of the vulnerability is Trend Micro Antivirus for Mac Improper Access Control Privilege Escalation Vulnerability.

3

What software is affected by this vulnerability?

Trend Micro Antivirus for Mac versions 11.0.0 to 11.0.2162 are affected by this vulnerability.

4

What is the severity of CVE-2021-43771?

The severity of CVE-2021-43771 is high with a CVSS score of 7.8.

5

How can the vulnerability be exploited?

An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

Contact

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