CVE-2021-44020 json
An unnecessary privilege vulnerability in Trend Micro Worry-Free Business Security 10.0 SP1 could allow a local attacker to escalate privil…
published 2021-12-03 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-30879
- cvss
- 7.8
- 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 28%
- public exploits
- 0
- none known
Summary
An unnecessary privilege vulnerability in Trend Micro Worry-Free Business Security 10.0 SP1 could allow a local attacker to escalate privileges on affected installations. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. This vulnerability is similar to but not identical to CVE-2021-44019 and 44021.
Exploit prediction
0.35% chance of exploitation in the next 30 days, higher than 28% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
Affected products
- Trend Micro Trend Micro Worry-Free Business Security
Classification
- Weakness
-
- CWE-269 Improper Privilege Management
References
-
success.trendmicro.com
/solution/000289230
vendor-advisory
-
zerodayinitiative.com
/advisories/ZDI-21-1365/
third-party-advisory, vdb-entry
Sources
- CVE List CVE-2021-44020
- NVD CVE-2021-44020
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