What’s Vulnerable › Vulnerabilities

CVE-2021-45442

• Severity: high (CVSS 7.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-01-10 · updated 2026-06-17
• Weakness: CWE-59

Description

A link following denial-of-service vulnerability in Trend Micro Worry-Free Business Security (on prem only) could allow a local attacker to overwrite arbitrary files in the context of SYSTEM. This is similar to, but not the same as CVE-2021-44024. 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
• Trend Micro Worry-Free Business Security: 10.0-sp1
• Trend Micro, Inc. Trend Micro Worry-Free Business Security Services: all versions

References

• https://success.trendmicro.com/solution/000289996
• https://www.zerodayinitiative.com/advisories/ZDI-22-015/
• https://success.trendmicro.com/solution/000289996
• https://www.zerodayinitiative.com/advisories/ZDI-22-015/

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