What’s Vulnerable › Vulnerabilities

CVE-2021-42011

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% 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-276

Description

An incorrect permission assignment vulnerability in Trend Micro Apex One and Apex One as a Service could allow a local attacker to load a DLL with escalated 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.

Affected products

• Trend Micro Apex One: 2019

References

• https://success.trendmicro.com/solution/000289229
• https://www.zerodayinitiative.com/advisories/ZDI-21-1220/
• https://success.trendmicro.com/solution/000289229
• https://www.zerodayinitiative.com/advisories/ZDI-21-1220/

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