#VU84592 Improper access control in UC 500E - CVE-2023-50706

Vulnerability identifier: #VU84592

Vulnerability risk: Low

CVSSv4.0: 0.4 [CVSS:4.0/AV:P/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-50706

CWE-ID: CWE-284

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
UC 500E
Hardware solutions / Firmware

Vendor: Efacec

Description

The vulnerability allows a local attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. An authenticated attacker with physical access can perform a memory dump of the running processes and extract clear credentials or valid session tokens.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

UC 500E: 10.1.0

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External links
https://www.cisa.gov/news-events/ics-advisories/icsa-23-353-03

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Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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