CVE-2023-42770 CRITICAL

CVE-2023-42770: Red Lion Controls Sixnet RTU Authentication Bypass Using An Alternative Path Or Channel

Vendor Red Lion Controls
Product ST-IPm-8460
Weakness CWE-288
Published November 21, 2023
Last update June 11, 2025
View on NVD All CVEs

CVSS base score

10.0/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

November 21, 2023 CVE published
June 11, 2025 Record updated