CVE-2021-42012

HIGH

Trend Micro Apex One and Worry-Free Business Security - Local Privilege Escalation via Stack-Based Buffer Overflow

Title source: llm

Description

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.

References (3)

Core 3

Core References

Patch, Vendor Advisory x_refsource_misc

https://success.trendmicro.com/solution/000289229

Patch, Vendor Advisory x_refsource_misc

https://success.trendmicro.com/solution/000289230

Third Party Advisory, VDB Entry x_refsource_misc

https://www.zerodayinitiative.com/advisories/ZDI-21-1221/

Scores

CVSS v3 7.8

EPSS 0.0042

EPSS Percentile 61.9%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE

CWE-787

Status published

Products (3)

trendmicro/apex_one 2019 (2 CPE variants)

trendmicro/worry-free_business_security 10.0 sp1

trendmicro/worry-free_business_security_services

Published Oct 21, 2021

Tracked Since Feb 18, 2026