High severity7.8NVD Advisory· Published Oct 21, 2021· Updated Jun 17, 2026
CVE-2021-42106
CVE-2021-42106
Description
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-2021-42104, 42105 and 42107.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
9cpe:2.3:a:trendmicro:apex_one:2019:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:trendmicro:apex_one:2019:*:*:*:*:*:*:*
- cpe:2.3:a:trendmicro:apex_one:2019:*:*:*:saas:*:*:*
- (no CPE)
cpe:2.3:a:trendmicro:worry-free_business_security:10.0:sp1:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:trendmicro:worry-free_business_security:10.0:sp1:*:*:*:*:*:*
- (no CPE)range: 10.0 SP1
- (no CPE)range: 10.0 SP1, Services (SaaS)
cpe:2.3:a:trendmicro:worry-free_business_security_services:-:*:*:*:saas:*:*:*+ 1 more
- cpe:2.3:a:trendmicro:worry-free_business_security_services:-:*:*:*:saas:*:*:*
- (no CPE)
- Trend Micro/Trend Micro Apex Onev5Range: 2019, SaaS
Patches
Vulnerability mechanics
References
3- success.trendmicro.com/solution/000289229nvdPatchVendor Advisory
- success.trendmicro.com/solution/000289230nvdPatchVendor Advisory
- www.zerodayinitiative.com/advisories/ZDI-21-1218/nvdThird Party AdvisoryVDB Entry
News mentions
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