What’s Vulnerable › Vulnerabilities
CVE-2020-24556
- Severity: high (CVSS 7.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.8% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2020-09-01 · updated 2026-06-17
- Weakness: CWE-59
Description
A vulnerability in Trend Micro Apex One, OfficeScan XG SP1, Worry-Free Business Security 10 SP1 and Worry-Free Business Security Services on Microsoft Windows may allow an attacker to create a hard link to any file on the system, which then could be manipulated to gain a privilege escalation and code execution. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. Please note that version 1909 (OS Build 18363.719) of Microsoft Windows 10 mitigates hard links, but previous versions are affected.
Affected products
- Trend Micro Apex One: 2019, saas
- 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/000263632
- https://success.trendmicro.com/solution/000263633
- https://success.trendmicro.com/solution/000267260
- https://www.zerodayinitiative.com/advisories/ZDI-20-1093/
- https://success.trendmicro.com/solution/000263632
- https://success.trendmicro.com/solution/000263633
- https://success.trendmicro.com/solution/000267260
- https://www.zerodayinitiative.com/advisories/ZDI-20-1093/
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