CVE-2021-28646 json
An insecure file permissions vulnerability in Trend Micro Apex One, Apex One as a Service and OfficeScan XG SP1 could allow a local attacke…
published 2021-04-13 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-15315
- cvss
- 5.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 38%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
0.44% chance of exploitation in the next 30 days, higher than 38% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 2.1 | AV:L/AC:L/Au:N/C:N/I:P/A:N |
Affected products
- Trend Micro Trend Micro Apex One
- Trend Micro Trend Micro OfficeScan
Classification
- Weakness
-
- CWE-732 Incorrect Permission Assignment for Critical Resource
References
-
success.trendmicro.com
/solution/000286019
vendor-advisory
-
success.trendmicro.com
/solution/000286157
vendor-advisory
Sources
- CVE List CVE-2021-28646
- NVD CVE-2021-28646
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