CVE-2023-42770

Name: CVE-2023-42770
Creator: NVD / NIST
Published: 2023-11-21T01:15:07.1+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.88%

Last modified Jun 17, 2026

CVE-2023-42770 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Red Lion SixTRAK and VersaTRAK Series RTUs with authenticated users enabled (UDR-A) any Sixnet UDR message will meet an authentication challenge over UDP/IP. When the same message is received over TCP/IP the RTU will simply accept the message with no authentication challenge. . EPSS estimates a 0.88% chance of exploitation in the next 30 days.

Description

Red Lion SixTRAK and VersaTRAK Series RTUs with authenticated users enabled (UDR-A) any Sixnet UDR message will meet an authentication challenge over UDP/IP. When the same message is received over TCP/IP the RTU will simply accept the message with no authentication challenge.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

0.88%

54.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Redlioncontrols	St-Ipm-6350 Firmware	4.9.114
Redlioncontrols	St-Ipm-8460 Firmware	6.0.202
Redlioncontrols	Vt-Mipm-135-D Firmware	4.9.114
Redlioncontrols	Vt-Mipm-245-D Firmware	4.9.114
Redlioncontrols	Vt-Ipm2m-213-D Firmware	4.9.114
Redlioncontrols	Vt-Ipm2m-113-D Firmware	4.9.114

References

https://https://support.redlion.net/hc/en-us/articles/19339209248269-RLCSIM-2023-05-Authentication-Bypass-and-Remote-Code-ExecutionMitigation, Patch, Vendor Advisory
https://www.cisa.gov/news-events/ics-advisories/icsa-23-320-01Third Party Advisory, US Government Resource
https://https://support.redlion.net/hc/en-us/articles/19339209248269-RLCSIM-2023-05-Authentication-Bypass-and-Remote-Code-ExecutionMitigation, Patch, Vendor Advisory
https://www.cisa.gov/news-events/ics-advisories/icsa-23-320-01Third Party Advisory, US Government Resource

Timeline

Published: Nov 21, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-42770?

How severe is CVE-2023-42770?

CVE-2023-42770 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.88% probability of exploitation in the next 30 days.

How do I fix CVE-2023-42770?

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-2023-42770?

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

Scan your code now

Source: NVD / NIST