CVE-2021-25246
An improper access control information disclosure vulnerability in Trend Micro Apex One, Apex One...
An improper access control information disclosure vulnerability in Trend Micro Apex One, Apex One as a Service, OfficeScan XG SP1, and Worry-Free Business Security could allow an unauthenticated user to create a bogus agent on an affected server that could be used then make valid configuration queries.
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
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
6.5
An improper access control information disclosure vulnerability in Trend Micro Apex One, Apex One as a Service, OfficeScan XG SP1, and Worry-Free Business Security could allow an unauthenticated user to create a bogus agent on an affected server that could be used then make valid configuration queries.
- Record
CVE-2021-25246- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N - CVSS 2.0
- 6.4 Medium
AV:N/AC:L/Au:N/C:P/I:P/A:N - Updated
- 2026-11-02
CVE List No score
An improper access control information disclosure vulnerability in Trend Micro Apex One, Apex One as a Service, OfficeScan XG SP1, and Worry-Free Business Security could allow an unauthenticated user to create a bogus agent on an affected server that could be used then make valid configuration queries.
- Record
CVE-2021-25246- Updated
- 2026-11-02
EUVDEUVD-2021-12157 No score
An improper access control information disclosure vulnerability in Trend Micro Apex One, Apex One as a Service, OfficeScan XG SP1, and Worry-Free Business Security could allow an unauthenticated user to create a bogus agent on an affected server that could be used then make valid configuration queries.
- Record
EUVD-2021-12157- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-cp44-fg22-hr42
6.5
An improper access control information disclosure vulnerability in Trend Micro Apex One, Apex One...
An improper access control information disclosure vulnerability in Trend Micro Apex One, Apex One as a Service, OfficeScan XG SP1, and Worry-Free Business Security could allow an unauthenticated user to create a bogus agent on an affected server that could be used then make valid configuration queries.
- Record
GHSA-cp44-fg22-hr42- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-863
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-25246 is a medium vulnerability (CVSS 6.5) 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 1.76%, the 78th percentile. No source names a fixed version.