PT-2021-3841 · Trend Micro · Trend Micro Worry-Free Business Security+2

Published

2021-07-28

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Updated

2025-10-31

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CVE-2021-36742

CVSS v3.1

7.8

High

VectorAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Trend Micro Apex One version 10.0 SP1 Trend Micro OfficeScan XG version 10.0 SP1 Trend Micro Worry-Free Business Security version 10.0 SP1
Description The issue is related to improper input validation, which can allow a local attacker to escalate privileges on affected installations. To exploit this, an attacker must first obtain the ability to execute low-privileged code on the target system. The vulnerability is associated with deficiencies in access control and can be exploited by running a specially crafted program, potentially allowing the execution of arbitrary code.
Recommendations For Trend Micro Apex One version 10.0 SP1: Update to a version that includes the fix for this issue. For Trend Micro OfficeScan XG version 10.0 SP1: Update to a version that includes the fix for this issue. For Trend Micro Worry-Free Business Security version 10.0 SP1: Update to a version that includes the fix for this issue. As a temporary workaround, consider restricting access to low-privileged code execution on the target system to minimize the risk of exploitation.

Fix

Improper Access Control

RCE

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Weakness Enumeration

Related Identifiers

BDU:2021-04195
CVE-2021-36742

Affected Products

Trend Micro Apex One
Trend Micro Officescan Xg
Trend Micro Worry-Free Business Security