Vulnerability identifier: #VU58201

Vulnerability risk: Low

CVSSv3.1: 6.2 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-43771

CWE-ID: CWE-284

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Antivirus for Mac
Client/Desktop applications / Antivirus software/Personal firewalls

Vendor: Trend Micro

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper access restrictions. A local user can run a specially crafted program to bypass implemented security restrictions and execute arbitrary code with elevated privileges on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Antivirus for Mac: 2021 (v11) - 2021 v11 Hotfix

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External links
http://helpcenter.trendmicro.com/en-us/article/TMKA-10832
http://www.zerodayinitiative.com/advisories/ZDI-21-1320/

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.