CVE-2023-40708

Name: CVE-2023-40708
Creator: NVD / NIST
Published: 2023-08-24T17:15:09.067+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.38%

Last modified Jun 17, 2026

CVE-2023-40708 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. The File Transfer Protocol (FTP) port is open by default in the SNAP PAC S1 Firmware version R10.3b. This could allow an adversary to access some device files.. EPSS estimates a 0.38% chance of exploitation in the next 30 days.

Description

The File Transfer Protocol (FTP) port is open by default in the SNAP PAC S1 Firmware version R10.3b. This could allow an adversary to access some device files.

Metrics

CVSS 3.1

5.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS Probability

0.38%

30.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-1188

Affected Software

Vendor	Product	Versions
Opto22	Snap Pac S1 Firmware	r10.3b

References

https://www.cisa.gov/news-events/ics-advisories/icsa-23-236-02Third Party Advisory, US Government Resource
https://www.cisa.gov/news-events/ics-advisories/icsa-23-236-02Third Party Advisory, US Government Resource

Timeline

Published: Aug 24, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-40708?

The File Transfer Protocol (FTP) port is open by default in the SNAP PAC S1 Firmware version R10.3b. This could allow an adversary to access some device files.

How severe is CVE-2023-40708?

CVE-2023-40708 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.38% probability of exploitation in the next 30 days.

How do I fix CVE-2023-40708?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-40708?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST