CVE-2021-25249

HighCVSS 7.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-787

Affected software

Vendor	Product	Versions
Trend Micro	Trend Micro Apex One	2019, SaaS
Trend Micro	Trend Micro OfficeScan	XG SP1
Trend Micro	Trend Micro Worry-Free Business Security	10.0 SP1, Services (SaaS)

References

https://success.trendmicro.com/solution/000284202Patch, Vendor Advisory
https://success.trendmicro.com/solution/000284205Patch, Vendor Advisory
https://success.trendmicro.com/solution/000284206Patch, Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-119/Third Party Advisory, VDB Entry
https://success.trendmicro.com/solution/000284202Patch, Vendor Advisory
https://success.trendmicro.com/solution/000284205Patch, Vendor Advisory
https://success.trendmicro.com/solution/000284206Patch, Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-119/Third Party Advisory, VDB Entry

Timeline

Published: Feb 4, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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