#VU57611 Incorrect default permissions in DIALink - CVE-2021-38420

Vulnerability identifier: #VU57611

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-2021-38420

CWE-ID: CWE-276

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
DIALink
Hardware solutions / Firmware

Vendor: Delta Electronics, Inc.

Description

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

The vulnerability exists due to incorrect default permissions 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.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

DIALink: 1.2.4.0

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External links
https://ics-cert.us-cert.gov/advisories/icsa-21-294-02

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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.