Denial of service in Trend Micro Apex One and Worry-Free Business Security

1) Security restrictions bypass

EUVDB-ID: #VU57037

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 - Permissions, Privileges, and Access Controls

Exploit availability: No

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

CPE2.3

• cpe:2.3:a:trend_micro:apex_one:CP B2049:*:*:*:*:*:*:*
• cpe:2.3:a:trend_micro:apex_one:Patch 1 b2087:*:*:*:*:*:*:*
• cpe:2.3:a:trend_micro:apex_one:Patch 2:*:*:*:*:*:*:*
• cpe:2.3:a:trend_micro:worry-free_business_security:10:SP1 Patch 2203:*:*:*:*:*:*
• cpe:2.3:a:trend_micro:worry-free_business_security:10:SP1 Patch 2228:*:*:*:*:*:*
• cpe:2.3:a:trend_micro:worry-free_business_security:10 SP1 Patch 2274:*:*:*:*:*:*:*

External links

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

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.