CVE-2021-25227: Trend Micro Antivirus for Mac Memory Exhaustion Denial-Of-Service Vulnerability

Published Feb 4, 2021
·
Updated

This vulnerability allows local attackers to create a denial-of-service condition on affected installations of Trend Micro Antivirus for Mac. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the iCoreService executable. The issue results from the lack of proper validation of user-supplied data, which can result in a memory exhaustion condition. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.

Other sources

Trend Micro Antivirus for Mac 2021 (Consumer) is vulnerable to a memory exhaustion vulnerability that could lead to disabling all the scanning functionality within the application. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability - i.e. the attacker must already have access to the target system (either legitimately or via another exploit).

Affected Software

5 affected components
Trend Micro Antivirus for Mac
trendmicro Antivirus Macos=9.0
trendmicro Antivirus Macos=10.0
trendmicro Antivirus Macos=10.5
trendmicro Antivirus Macos=11.0

Event History

Feb 4, 2021
CVE Published
via MITRE·07:36 PM
Data Sourced
via MITRE·07:36 PM
DescriptionWeakness
Jan 29, 2025
Advisory Published
via ZDI·09:04 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-2021-25227?

CVE-2021-25227 is a vulnerability that allows local attackers to create a denial-of-service condition on affected installations of Trend Micro Antivirus for Mac.

2

How can this vulnerability be exploited?

To exploit this vulnerability, the target must visit a malicious page or open a malicious file, requiring user interaction.

3

Which versions of Trend Micro Antivirus for Mac are affected?

Trend Micro Antivirus for Mac versions 9.0, 10.0, 10.5, and 11.0 are affected by this vulnerability.

4

What is the severity of CVE-2021-25227?

The severity of CVE-2021-25227 is low, with a CVSS severity score of 3.3.

5

How can I fix CVE-2021-25227?

To fix CVE-2021-25227, it is recommended to update Trend Micro Antivirus for Mac to the latest version provided by the vendor.

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