CVE-2021-42104

Unnecessary privilege vulnerabilities in Trend Micro Apex One, Apex One as a Service, Worry-Free Business Security 10.0 SP1 and Worry-Free Business Security Services 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. This vulnerability is similar to but not identical to CVE-2021-42105, 42106 and 42107.

• CWE-269

• https://success.trendmicro.com/solution/000289229Patch, Vendor Advisory
• https://success.trendmicro.com/solution/000289230Patch, Vendor Advisory
• https://www.zerodayinitiative.com/advisories/ZDI-21-1216/Third Party Advisory, VDB Entry
• https://success.trendmicro.com/solution/000289229Patch, Vendor Advisory
• https://success.trendmicro.com/solution/000289230Patch, Vendor Advisory
• https://www.zerodayinitiative.com/advisories/ZDI-21-1216/Third Party Advisory, VDB Entry

Published

Oct 21, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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