What’s Vulnerable › Vulnerabilities

CVE-2021-25237

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% 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) could allow an unauthenticated user to obtain information about the managing port used by agents.

Affected products

• Trend Micro Apex One: 2019

References

• https://success.trendmicro.com/solution/000284202
• https://www.zerodayinitiative.com/advisories/ZDI-21-111/
• https://success.trendmicro.com/solution/000284202
• https://www.zerodayinitiative.com/advisories/ZDI-21-111/

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