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CVE-2021-25240

An improper access control vulnerability in Trend Micro Apex One (on-prem and SaaS), OfficeScan...

5.3 Medium

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 x64 agent hofitx information.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
None
Availability
None

Exploit likelihood

2.12%Down 8.6 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 5.3

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 x64 agent hofitx information.

Record
CVE-2021-25240
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:P/I:N/A:N
Updated
2026-11-02
CVE List No score

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 x64 agent hofitx information.

Record
CVE-2021-25240
Updated
2026-11-02
EUVDEUVD-2021-12151 No score

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 x64 agent hofitx information.

Record
EUVD-2021-12151
Updated
2026-11-03
GitHub AdvisoriesGHSA-8x5r-7hx2-7fvv 5.3

An improper access control vulnerability in Trend Micro Apex One (on-prem and SaaS), OfficeScan...

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 x64 agent hofitx information.

Record
GHSA-8x5r-7hx2-7fvv
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-200
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliases, productsEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-25240 is a medium vulnerability (CVSS 5.3) in Trend Micro Apex One, published February 4, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.12%, the 81st percentile. No source names a fixed version.

References

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