{"id":"CVE-2023-23451","aliases":["EUVD-2023-27551","GHSA-j4pp-rp58-2qhj"],"status":"published","title":"The Flexi Classic and Flexi Soft Gateways SICK UE410-EN3 FLEXI ETHERNET GATEW., SICK UE410-EN1...","description":"The Flexi Classic and Flexi Soft Gateways SICK UE410-EN3 FLEXI ETHERNET GATEW. with serial number \u003c=2311xxxx all Firmware versions, SICK UE410-EN1 FLEXI ETHERNET GATEW. with serial number \u003c=2311xxxx all Firmware versions, SICK UE410-EN3S04 FLEXI ETHERNET GATEW. with serial number \u003c=2311xxxx all Firmware versions, SICK UE410-EN4 FLEXI ETHERNET GATEW. with serial number \u003c=2311xxxx all Firmware versions, SICK FX0-GENT00000 FLEXISOFT EIP GATEW. with serial number \u003c=2311xxxx with Firmware \u003c=V2.11.0, SICK FX0-GMOD00000 FLEXISOFT MOD GATEW. with serial number \u003c=2311xxxx with Firmware \u003c=V2.11.0, SICK FX0-GPNT00000 FLEXISOFT PNET GATEW. with serial number \u003c=2311xxxx with Firmware \u003c=V2.12.0, SICK FX0-GENT00030 FLEXISOFT EIP GATEW.V2 with serial number \u003c=2311xxxx all Firmware versions, SICK FX0-GPNT00030 FLEXISOFT PNET GATEW.V2 with serial number \u003c=2311xxxx all Firmware versions and SICK FX0-GMOD00010 FLEXISOFT MOD GW with serial number \u003c=2311xxxx with Firmware \u003c=V2.11.0 all have Telnet enabled by factory default. No password is set in the default configuration.","severity":{"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","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00621,"percentile":0.5006,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-306","CWE-477"],"published":"2023-04-19T00:00:00Z","modified":"2026-06-17T05:37:10Z","products":[{"vendor":"sick","product":"fx0-gent00000_firmware"},{"vendor":"sick","product":"fx0-gent00030_firmware"},{"vendor":"sick","product":"fx0-gmod00000_firmware"},{"vendor":"sick","product":"fx0-gmod00010_firmware"},{"vendor":"sick","product":"fx0-gpnt00000_firmware"},{"vendor":"sick","product":"fx0-gpnt00030_firmware"},{"vendor":"sick","product":"ue410-en1_firmware"},{"vendor":"sick","product":"ue410-en3_firmware"},{"vendor":"sick","product":"ue410-en3s04_firmware"},{"vendor":"sick","product":"ue410-en4_firmware"}],"references":[{"url":"https://sick.com/psirt","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-23451"},{"url":"https://github.com/advisories/GHSA-j4pp-rp58-2qhj"}],"sources":{"cve":[{"id":"CVE-2023-23451","description":"The Flexi Classic and Flexi Soft Gateways SICK UE410-EN3 FLEXI ETHERNET GATEW. with serial number \u003c=2311xxxx all Firmware versions, SICK UE410-EN1 FLEXI ETHERNET GATEW. with serial number \u003c=2311xxxx all Firmware versions, SICK UE410-EN3S04 FLEXI ETHERNET GATEW. with serial number \u003c=2311xxxx all Firmware versions, SICK UE410-EN4 FLEXI ETHERNET GATEW. with serial number \u003c=2311xxxx all Firmware versions, SICK FX0-GENT00000 FLEXISOFT EIP GATEW. with serial number \u003c=2311xxxx with Firmware \u003c=V2.11.0, SICK FX0-GMOD00000 FLEXISOFT MOD GATEW. with serial number \u003c=2311xxxx with Firmware \u003c=V2.11.0, SICK FX0-GPNT00000 FLEXISOFT PNET GATEW. with serial number \u003c=2311xxxx with Firmware \u003c=V2.12.0, SICK FX0-GENT00030 FLEXISOFT EIP GATEW.V2 with serial number \u003c=2311xxxx all Firmware versions, SICK FX0-GPNT00030 FLEXISOFT PNET GATEW.V2 with serial number \u003c=2311xxxx all Firmware versions and SICK FX0-GMOD00010 FLEXISOFT MOD GW with serial number \u003c=2311xxxx with Firmware \u003c=V2.11.0 all have Telnet enabled by factory default. No password is set in the default configuration.","status":"published","published":"2023-04-19T00:00:00Z","modified":"2025-02-05T15:24:56.399Z","cvss":[{"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":"adp"}],"cwes":["CWE-477"],"updated_at":"2026-11-02T14:35:21.232549Z"}],"euvd":[{"id":"EUVD-2023-27551","description":"The Flexi Classic and Flexi Soft Gateways SICK UE410-EN3 FLEXI ETHERNET GATEW. with serial number \u003c=2311xxxx all Firmware versions, SICK UE410-EN1 FLEXI ETHERNET GATEW. with serial number \u003c=2311xxxx all Firmware versions, SICK UE410-EN3S04 FLEXI ETHERNET GATEW. with serial number \u003c=2311xxxx all Firmware versions, SICK UE410-EN4 FLEXI ETHERNET GATEW. with serial number \u003c=2311xxxx all Firmware versions, SICK FX0-GENT00000 FLEXISOFT EIP GATEW. with serial number \u003c=2311xxxx with Firmware \u003c=V2.11.0, SICK FX0-GMOD00000 FLEXISOFT MOD GATEW. with serial number \u003c=2311xxxx with Firmware \u003c=V2.11.0, SICK FX0-GPNT00000 FLEXISOFT PNET GATEW. with serial number \u003c=2311xxxx with Firmware \u003c=V2.12.0, SICK FX0-GENT00030 FLEXISOFT EIP GATEW.V2 with serial number \u003c=2311xxxx all Firmware versions, SICK FX0-GPNT00030 FLEXISOFT PNET GATEW.V2 with serial number \u003c=2311xxxx all Firmware versions and SICK FX0-GMOD00010 FLEXISOFT MOD GW with serial number \u003c=2311xxxx with Firmware \u003c=V2.11.0 all have Telnet enabled by factory default. No password is set in the default configuration.","status":"published","published":"2023-04-19T00:00:00Z","modified":"2025-02-05T15:24:56Z","cvss":[{"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"}],"updated_at":"2026-11-03T00:04:05.565654Z"}],"ghsa":[{"id":"GHSA-j4pp-rp58-2qhj","title":"The Flexi Classic and Flexi Soft Gateways SICK UE410-EN3 FLEXI ETHERNET GATEW., SICK UE410-EN1...","description":"The Flexi Classic and Flexi Soft Gateways SICK UE410-EN3 FLEXI ETHERNET GATEW., SICK UE410-EN1 FLEXI ETHERNET GATEW., SICK UE410-EN3S04 FLEXI ETHERNET GATEW., SICK UE410-EN4 FLEXI ETHERNET GATEW., SICK FX0-GENT00000 FLEXISOFT EIP GATEW., SICK FX0-GMOD00000 FLEXISOFT MOD GATEW., SICK FX0-GPNT00000 FLEXISOFT PNET GATEW., SICK FX0-GENT00030 FLEXISOFT EIP GATEW.V2, SICK FX0-GPNT00030 FLEXISOFT PNET GATEW.V2 and SICK FX0-GMOD00010 FLEXISOFT MOD GW. have Telnet enabled by factory default. No password is set in the default configuration. Gateways with a serial number \u003e2311xxxx have the Telnet interface disabled by factory default.","status":"published","published":"2023-04-20T00:30:43Z","modified":"2024-04-04T03:36:33Z","cvss":[{"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"}],"cwes":["CWE-306","CWE-477"],"updated_at":"2026-11-02T14:56:16.439649Z"}],"nvd":[{"id":"CVE-2023-23451","description":"The Flexi Classic and Flexi Soft Gateways SICK UE410-EN3 FLEXI ETHERNET GATEW. with serial number \u003c=2311xxxx all Firmware versions, SICK UE410-EN1 FLEXI ETHERNET GATEW. with serial number \u003c=2311xxxx all Firmware versions, SICK UE410-EN3S04 FLEXI ETHERNET GATEW. with serial number \u003c=2311xxxx all Firmware versions, SICK UE410-EN4 FLEXI ETHERNET GATEW. with serial number \u003c=2311xxxx all Firmware versions, SICK FX0-GENT00000 FLEXISOFT EIP GATEW. with serial number \u003c=2311xxxx with Firmware \u003c=V2.11.0, SICK FX0-GMOD00000 FLEXISOFT MOD GATEW. with serial number \u003c=2311xxxx with Firmware \u003c=V2.11.0, SICK FX0-GPNT00000 FLEXISOFT PNET GATEW. with serial number \u003c=2311xxxx with Firmware \u003c=V2.12.0, SICK FX0-GENT00030 FLEXISOFT EIP GATEW.V2 with serial number \u003c=2311xxxx all Firmware versions, SICK FX0-GPNT00030 FLEXISOFT PNET GATEW.V2 with serial number \u003c=2311xxxx all Firmware versions and SICK FX0-GMOD00010 FLEXISOFT MOD GW with serial number \u003c=2311xxxx with Firmware \u003c=V2.11.0 all have Telnet enabled by factory default. No password is set in the default configuration.","status":"published","published":"2023-04-19T23:15:06.97Z","modified":"2026-06-17T05:37:10.03Z","cvss":[{"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"},{"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":"secondary"}],"cwes":["CWE-477","CWE-306"],"updated_at":"2026-11-02T14:07:56.683259Z"}]}}