CVE-2021-25249

highpriority · track · 31EPSS 0.004 · 37 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.43% (37th) EPSS

CVSS 7.2 · high

Is it mine?

6 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.07.2highAV:L/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 3.9 · impact 10

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-787USprimary

affected products (6)

Products and version ranges known to be affected.

Trend Micro Trend Micro Apex One≤ 2019, SaaSenisa_euvdEU
Trend Micro Trend Micro OfficeScan≤ XG SP1enisa_euvdEU
Trend Micro Trend Micro Worry-Free Business Security≤ 10.0 SP1, Services (SaaS)enisa_euvdEU
trendmicro apex one= 2019nvdUScpe:2.3:a:trendmicro:apex_one:*:*:*:*:*:*:*:*
trendmicro officescan= xgnvdUScpe:2.3:a:trendmicro:officescan:*:*:*:*:*:*:*:*
trendmicro worry-free business security= 10.0nvdUScpe:2.3:a:trendmicro:worry-free_business_security:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2021-02-04modified 2026-06-17

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+16123 more

references (13)

External citations — patches, advisories, analysis.

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