#VU84588 Cleartext transmission of sensitive information in UC 500E - CVE-2023-50703

Vulnerability identifier: #VU84588

Vulnerability risk: Medium

CVSSv4.0: 4.4 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:A/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-50703

CWE-ID: CWE-319

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
UC 500E
Hardware solutions / Firmware

Vendor: Efacec

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to software uses insecure communication channel to transmit sensitive information. A remote attacker with ability to intercept network traffic can gain access to sensitive data.

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?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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