{"id":"CVE-2023-42770","aliases":["EUVD-2023-47202","GHSA-vwrm-49fw-hjgj"],"status":"published","title":"Red Lion Controls Sixnet RTU Authentication Bypass Using An Alternative Path Or Channel","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.","severity":{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00879,"percentile":0.59512,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-288","CWE-306"],"published":"2023-11-21T00:14:18Z","modified":"2026-06-17T06:24:28Z","products":[{"vendor":"red lion controls","product":"st-ipm-6350"},{"vendor":"red lion controls","product":"st-ipm-8460"},{"vendor":"red lion controls","product":"vt-ipm2m-113-d"},{"vendor":"red lion controls","product":"vt-ipm2m-213-d"},{"vendor":"red lion controls","product":"vt-mipm-135-d"},{"vendor":"red lion controls","product":"vt-mipm-245-d"},{"vendor":"redlioncontrols","product":"st-ipm-6350_firmware"},{"vendor":"redlioncontrols","product":"st-ipm-8460_firmware"},{"vendor":"redlioncontrols","product":"vt-ipm2m-113-d_firmware"},{"vendor":"redlioncontrols","product":"vt-ipm2m-213-d_firmware"},{"vendor":"redlioncontrols","product":"vt-mipm-135-d_firmware"},{"vendor":"redlioncontrols","product":"vt-mipm-245-d_firmware"}],"references":[{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-23-320-01","tags":["x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://https://support.redlion.net/hc/en-us/articles/19339209248269-RLCSIM-2023-05-Authentication-Bypass-and-Remote-Code-Execution","tags":["x_transferred","Mitigation","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-42770"},{"url":"https://github.com/advisories/GHSA-vwrm-49fw-hjgj"}],"sources":{"cve":[{"id":"CVE-2023-42770","title":"Red Lion Controls Sixnet RTU Authentication Bypass Using An Alternative Path Or Channel","description":"\nRed 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.\n\n","status":"published","published":"2023-11-21T00:14:18.734Z","modified":"2025-06-11T14:03:28.764Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-288"],"updated_at":"2026-11-02T14:35:18.16233Z"}],"euvd":[{"id":"EUVD-2023-47202","description":"\nRed 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.\n\n","status":"published","published":"2023-11-21T00:14:18Z","modified":"2025-06-11T14:03:28Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T20:32:26.351797Z"}],"ghsa":[{"id":"GHSA-vwrm-49fw-hjgj","title":"\nRed Lion SixTRAK and VersaTRAK Series RTUs with authenticated users enabled (UDR-A) any Sixnet...","description":"\nRed 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.\n\n","status":"published","published":"2023-11-21T03:30:26Z","modified":"2023-11-29T18:30:25Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-288","CWE-306"],"updated_at":"2026-11-02T14:55:07.446793Z"}],"nvd":[{"id":"CVE-2023-42770","description":"\nRed 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.\n\n","status":"published","published":"2023-11-21T01:15:07.1Z","modified":"2026-06-17T06:24:28.063Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-288","CWE-306"],"updated_at":"2026-11-02T14:08:47.966245Z"}]}}