CVE-2023-40710

Name: CVE-2023-40710
Creator: NVD / NIST
Published: 2023-08-24T17:15:09.253+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.44%

Last modified Jun 17, 2026

CVE-2023-40710 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An adversary could cause a continuous restart loop to the entire device by sending a large quantity of HTTP GET requests if the controller has the built-in web server enabled but does not have the built-in web server completely set up and configured for the SNAP PAC S1 Firmware version R10.3b. EPSS estimates a 0.44% chance of exploitation in the next 30 days.

Description

An adversary could cause a continuous restart loop to the entire device by sending a large quantity of HTTP GET requests if the controller has the built-in web server enabled but does not have the built-in web server completely set up and configured for the SNAP PAC S1 Firmware version R10.3b

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.44%

35.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

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-2023-40710?

How severe is CVE-2023-40710?

CVE-2023-40710 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.44% probability of exploitation in the next 30 days.

How do I fix CVE-2023-40710?

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-2023-40710?

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

Scan your code now

Source: NVD / NIST