7.8
CWE
787 119
Advisory Published
Updated
Advisory Published

CVE-2021-42012: Trend Micro Worry-Free Business Security Stack-based Buffer Overflow Privilege Escalation Vulnerability

First published: Thu Oct 21 2021(Updated: )

A stack-based buffer overflow vulnerability in Trend Micro Apex One, Apex One as a Service and Worry-Free Business Security 10.0 SP1 could allow a local attacker to escalate privileges on affected installations. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

Credit: security@trendmicro.com

Affected SoftwareAffected VersionHow to fix
Trendmicro Apex One=2019
Trendmicro Apex One=2019
Trendmicro Worry-free Business Security=10.0-sp1
Trendmicro Worry-free Business Security Services

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Frequently Asked Questions

  • What is the severity of CVE-2021-42012?

    The severity of CVE-2021-42012 is high.

  • How can an attacker exploit CVE-2021-42012?

    An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit CVE-2021-42012.

  • Which software is affected by CVE-2021-42012?

    Trend Micro Worry-Free Business Security, Trend Micro Trend Micro Apex One and Worry-Free Business Security, Trendmicro Worry-free Business Security, and Trendmicro Worry-free Business Security Services are affected by CVE-2021-42012.

  • How do I fix CVE-2021-42012?

    To fix CVE-2021-42012, update to the latest version of Trend Micro Worry-Free Business Security.

  • Where can I find more information about CVE-2021-42012?

    You can find more information about CVE-2021-42012 at the following references: [Link 1](https://success.trendmicro.com/solution/000289229), [Link 2](https://success.trendmicro.com/solution/000289230), [Link 3](https://www.zerodayinitiative.com/advisories/ZDI-21-1221/)

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