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TI-2020-15037 Aliases CVE-2020-24556GHSA-28fh-4j57-cc4w

Link following in Trend Micro Apex One

Priority LOW 35CWE-59Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.00783 56th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
Trend MicroTrend Micro Apex One2009 (on premise), SaaS—No fix listedCNA
Trend MicroTrend Micro OfficeScanXG SP1—No fix listedCNA
Trend MicroTrend Micro Worry-Free Business Security10 SP1, Services (SaaS)—No fix listedCNA
  • Trend Micro Apex One VendorTrend Micro Affected 2009 (on premise), SaaS Fixed in — No fix listed CNA
  • Trend Micro OfficeScan VendorTrend Micro Affected XG SP1 Fixed in — No fix listed CNA
  • Trend Micro Worry-Free Business Security VendorTrend Micro Affected 10 SP1, Services (SaaS) Fixed in — No fix listed CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:a:trendmicro:apex_one:2019:*:*:*:*:*:*:*2019VulnerableTrendmicro
cpe:2.3:a:trendmicro:apex_one:saas:*:*:*:*:*:*:*saasVulnerableTrendmicro
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
cpe:2.3:a:trendmicro:worry-free_business_security:10.0:sp1:*:*:*:*:*:*10.0 sp1VulnerableTrendmicro
cpe:2.3:a:trendmicro:worry-free_business_security_services:-:*:*:*:*:*:*:*not specified by NVDVulnerableTrendmicro
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*not specified by NVDRunning onApple
  • cpe:2.3:a:trendmicro:apex_one:2019:*:*:*:*:*:*:* Versions 2019 Vulnerable ·Trendmicro
  • cpe:2.3:a:trendmicro:apex_one:saas:*:*:*:*:*:*:* Versions saas Vulnerable ·Trendmicro
  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:a:trendmicro:worry-free_business_security:10.0:sp1:*:*:*:*:*:* Versions 10.0 sp1 Vulnerable ·Trendmicro
  • cpe:2.3:a:trendmicro:worry-free_business_security_services:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Trendmicro
  • cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Apple

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-24556
  2. 2026-10-03 Alias added: GHSA-28fh-4j57-cc4w

References

Advisory 4

  • TI-2025-34668 OS command injection in Trend Micro Apex One KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-10115 Insufficient verification of data authenticity in Trend Micro Apex Central KEVCVSS 3.1CRITICAL 9.8
  • TI-2020-06895 Trend Micro Apex One (2019) and OfficeScan XG server contain a vulnerable EXE file that… KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-14867 Unrestricted file upload in Trend Micro Apex One KEVCVSS 3.1HIGH 8.8
  • TI-2020-06795 Injection in Trend Micro OfficeScan, Trend Micro Apex One, Trend Micro Worry-Free… KEVCVSS 3.1HIGH 8.8
  • TI-2020-06794 A migration tool component of Trend Micro Apex One (2019) and OfficeScan XG contains a… KEVCVSS 3.1HIGH 8.8
See all 603 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences