What’s Vulnerable › Vulnerabilities

CVE-2021-25231

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-02-04 · updated 2026-06-17

Description

An improper access control vulnerability in Trend Micro Apex One (on-prem and SaaS), OfficeScan XG SP1, and Worry-Free Business Security 10.0 SP1 could allow an unauthenticated user to obtain information about a specific hotfix history file.

Affected products

• Trend Micro Apex One: 2019
• Trend Micro OfficeScan: xg-sp1
• Trend Micro Worry-Free Business Security: 10.0-sp1

References

• https://success.trendmicro.com/solution/000284202
• https://success.trendmicro.com/solution/000284205
• https://success.trendmicro.com/solution/000284206
• https://www.zerodayinitiative.com/advisories/ZDI-21-106/
• https://success.trendmicro.com/solution/000284202
• https://success.trendmicro.com/solution/000284205
• https://success.trendmicro.com/solution/000284206
• https://www.zerodayinitiative.com/advisories/ZDI-21-106/

Get alerted when CVE-2021-25231 or the next vulnerability affects your stack