Privilege escalation in Trend Micro Antivirus for MAC
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-43771 |
| CWE-ID | CWE-284 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Antivirus for Mac Client/Desktop applications / Antivirus software/Personal firewalls |
| Vendor | Trend Micro |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Improper access control
EUVDB-ID: #VU58201
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 - Improper Access Control
Exploit availability: No
DescriptionThe 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.
Install updates from vendor's website.
Vulnerable software versionsAntivirus for Mac: 2021 (v11) - 2021 v11 Hotfix
External linkshttp://helpcenter.trendmicro.com/en-us/article/TMKA-10832
http://www.zerodayinitiative.com/advisories/ZDI-21-1320/
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.
