CVE-2021-42101

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-10-21 · updated 2026-06-17
Weakness: CWE-427

Description

An uncontrolled search path element vulnerabilities in Trend Micro Apex One and Apex One as a Service could allow a local attacker to escalate privileges on affected installations. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. This vulnerability is similar but not identical to CVE-2021-42103.

Affected products

Trend Micro Apex One: 2019

References

https://success.trendmicro.com/solution/000289229
https://www.zerodayinitiative.com/advisories/ZDI-21-1219/
https://success.trendmicro.com/solution/000289229
https://www.zerodayinitiative.com/advisories/ZDI-21-1219/

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