Unrated severityNVD Advisory· Published Nov 21, 2023· Updated Jun 11, 2025

Red Lion Controls Sixnet RTU Authentication Bypass Using An Alternative Path Or Channel

CVE-2023-42770

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Red Lion Controls/SixTRAK Series RTUllm-create
Red Lion Controls/Vt Ipm2m 213 Dv5
Range: 4.9.114

Patches

Vulnerability mechanics

References

https//support.redlion.net/hc/en-us/articles/19339209248269-RLCSIM-2023-05-Authentication-Bypass-and-Remote-Code-Executionmitre
www.cisa.gov/news-events/ics-advisories/icsa-23-320-01mitre

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