#VU55407 Improper Preservation of Permissions in Apex One - CVE-2021-32465

Vulnerability identifier: #VU55407

Vulnerability risk: Medium

CVSSv4.0: 5.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-32465

CWE-ID: N/A

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Apex One
Client/Desktop applications / Antivirus software/Personal firewalls

Vendor: Trend Micro

Description

The vulnerability allows a remote user to bypass authentication process.

The vulnerability exists due to unspecified error, related to preservation of access permissions. A remote authenticated user can bypass authentication process and gain unauthorized access to the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Apex One: CP B2049 - 2019

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External links
https://success.trendmicro.com/solution/000287819
https://files.trendmicro.com/documentation/readme/Apex%20One/2020/apex_one_2019_win_en_criticalpatch_b9601_EN_Readme.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.