#VU80023 Improper access control in SNAP PAC S1 - CVE-2023-40708

Vulnerability identifier: #VU80023

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-40708

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
SNAP PAC S1
Hardware solutions / Firmware

Vendor: Opto22

Description

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

The vulnerability exists due to improper access restrictions in the File Transfer Protocol (FTP) port. A remote attacker can bypass implemented security restrictions and access some device files.

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

Vulnerable software versions

SNAP PAC S1: R10.3b

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External links
https://www.cisa.gov/news-events/ics-advisories/icsa-23-236-02

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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 Internet.

Is there known malware, which exploits this vulnerability?

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