What’s Vulnerable › Vulnerabilities

CVE-2021-25249

• Severity: high (CVSS 7.8 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: 2021-02-04 · updated 2026-06-17
• Weakness: CWE-787

Description

An out-of-bounds write information disclosure vulnerability in Trend Micro Apex One (on-prem and SaaS), OfficeScan XG SP1, and Worry-Free Business Security (10.0 SP1 and Services) could allow a local attacker to escalate privileges on affected installations. 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 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-21-119/
• https://success.trendmicro.com/solution/000284202
• https://success.trendmicro.com/solution/000284205
• https://success.trendmicro.com/solution/000284206
• https://www.zerodayinitiative.com/advisories/ZDI-21-119/

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