#VU53419 Incorrect default permissions in Maximum Security - CVE-2021-32460

Vulnerability identifier: #VU53419

Vulnerability 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-2021-32460

CWE-ID: CWE-276

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Maximum Security
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 incorrect default permissions within the Maximum Security console for files and folders that are set by the application. A local user with access to the system can view contents of files and directories or modify them.

Successful exploitation of the vulnerability may allow an attacker to execute arbitrary code with SYSTEM privileges.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Maximum Security: 2019 (v15) - 2021 (v17)

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External links
https://www.zerodayinitiative.com/advisories/ZDI-21-603/
https://helpcenter.trendmicro.com/en-us/article/TMKA-10336

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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.