CVE-2021-25237
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.
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
What each source reports
NVD Score used 5.3
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 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV: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-cq2w 5.3
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 Medium
CVSS: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
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE 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.