CVE-2021-43771
Last modified
CVE-2021-43771 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 0.32% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Trendmicro | Antivirus | >= 11.0, < 11.0.2163 |
References
- https://helpcenter.trendmicro.com/en-us/article/TMKA-10832Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-1320/Third Party Advisory, VDB Entry
- https://helpcenter.trendmicro.com/en-us/article/TMKA-10832Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-1320/Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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