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CVE-2021-25237

An improper access control vulnerability in Trend Micro Apex One (on-prem) could allow an...

5.3 Medium

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.

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

1.59%Down 5.1 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used5.3

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.

Record
CVE-2021-25237
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 ListNo score

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.

Record
CVE-2021-25237
Updated
2026-11-02
EUVDEUVD-2021-12148No score

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.

Record
EUVD-2021-12148
Updated
2026-11-03
GitHub AdvisoriesGHSA-2j9m-w7ph-cq2w5.3

An improper access control vulnerability in Trend Micro Apex One (on-prem) could allow an...

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.

Record
GHSA-2j9m-w7ph-cq2w
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
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

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

In short

CVE-2021-25237 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 1.59%, the 76th percentile. No source names a fixed version.

References

MoveEnter Open