Privilege escalation in Trend Micro Antivirus for MAC



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-28648
CWE-ID CWE-264
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Antivirus for Mac
Client/Desktop applications / Antivirus software/Personal firewalls

Vendor Trend Micro

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Security restrictions bypass

EUVDB-ID: #VU51984

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-28648

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

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

The vulnerability exists due to application does not properly impose security restrictions, which leads to security restrictions bypass and privilege escalation. A local user can run  a specially crafted program on the system and execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Antivirus for Mac: before 2020 10.5.2088

CPE2.3 External links

https://helpcenter.trendmicro.com/en-us/article/TMKA-10293


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.



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