CVE-2021-43771 json
Trend Micro Antivirus for Mac 2021 v11 (Consumer) is vulnerable to an improper access control privilege escalation vulnerability that could…
published 2021-11-30 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-30678
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 26%
- public exploits
- 0
- none known
Summary
Trend Micro Antivirus for Mac 2021 v11 (Consumer) is vulnerable to an improper access control privilege escalation vulnerability that could allow an attacker to establish a connection that could lead to full local privilege escalation within the application. Please note that an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
Patch / fix
- trendmicro antivirus 11.0.2163
Exploit prediction
0.33% chance of exploitation in the next 30 days, higher than 26% 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 | 4.6 | AV:L/AC:L/Au:N/C:P/I:P/A:P |
Affected products
- Trend Micro Trend Micro Antivirus for MAC 2021
References
-
helpcenter.trendmicro.com
/en-us/article/TMKA-10832
vendor-advisory
-
zerodayinitiative.com
/advisories/ZDI-21-1320/
third-party-advisory, vdb-entry
Sources
- CVE List CVE-2021-43771
- NVD CVE-2021-43771
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