#VU57037 Security restrictions bypass in Apex One and Worry-Free Business Security - CVE-2021-3848

Vulnerability identifier: #VU57037

Vulnerability risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-3848

CWE-ID: CWE-264

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Apex One
Client/Desktop applications / Antivirus software/Personal firewalls
Worry-Free Business Security
Client/Desktop applications / Software for system administration

Vendor: Trend Micro

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper privileges management in Trend Micro Apex One and Trend Micro Worry-Free Business Security. A local user can create arbitrary files on the system with higher privileges.

Successful exploitation of the vulnerability can result in denial of service conditions.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Apex One: CP B2049 - 2019

Worry-Free Business Security: 10 SP1 Patch 2203 - 10.0

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External links
https://success.trendmicro.com/solution/000289183

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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.