CVE-2021-28646
An insecure file permissions vulnerability in Trend Micro Apex One, Apex One as a Service and...
An insecure file permissions vulnerability in Trend Micro Apex One, Apex One as a Service and OfficeScan XG SP1 could allow a local attacker to take control of a specific log file on affected installations.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
An insecure file permissions vulnerability in Trend Micro Apex One, Apex One as a Service and OfficeScan XG SP1 could allow a local attacker to take control of a specific log file on affected installations.
- Record
CVE-2021-28646- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:N/I:P/A:N - Weakness
- CWE-732
- Updated
- 2026-11-02
CVE List No score
An insecure file permissions vulnerability in Trend Micro Apex One, Apex One as a Service and OfficeScan XG SP1 could allow a local attacker to take control of a specific log file on affected installations.
- Record
CVE-2021-28646- Updated
- 2026-11-02
EUVDEUVD-2021-15315 No score
An insecure file permissions vulnerability in Trend Micro Apex One, Apex One as a Service and OfficeScan XG SP1 could allow a local attacker to take control of a specific log file on affected installations.
- Record
EUVD-2021-15315- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-7637-c4cm-gwmg No score
An insecure file permissions vulnerability in Trend Micro Apex One, Apex One as a Service and...
An insecure file permissions vulnerability in Trend Micro Apex One, Apex One as a Service and OfficeScan XG SP1 could allow a local attacker to take control of a specific log file on affected installations.
- Record
GHSA-7637-c4cm-gwmg- Weakness
- CWE-732
- 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-2021-28646 is a medium vulnerability (CVSS 5.5) in Trend Micro Apex One, published April 13, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.44%, the 38th percentile. No source names a fixed version.