{"id":"CVE-2023-23444","aliases":["EUVD-2023-27544","GHSA-8w5h-774q-3rhm"],"status":"published","title":"Missing Authentication for Critical Function in SICK Flexi Classic and Flexi Soft Gateways with...","description":"Missing Authentication for Critical Function in SICK Flexi Classic and Flexi Soft Gateways with Partnumbers 1042193, 1042964, 1044078, 1044072, 1044073, 1044074, 1099830, 1099832, 1127717, 1069070, 1112296, 1051432, 1102420, 1127487, 1121596, 1121597 allows an unauthenticated remote attacker to influence the availability of the device by changing the IP settings of the device via broadcasted UDP packets.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.0117,"percentile":0.6767,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-306"],"published":"2023-05-12T12:39:26Z","modified":"2026-06-17T05:37:08Z","products":[{"vendor":"sick","product":"fx0-gent00000_firmware"},{"vendor":"sick","product":"fx0-gent00010_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-gpnt00010_firmware"},{"vendor":"sick","product":"fx0-gpnt00030_firmware"},{"vendor":"sick","product":"ue410-en1_firmware"},{"vendor":"sick","product":"ue410-en3_firmware"},{"vendor":"sick","product":"ue410-en4_firmware"},{"vendor":"sick ag","product":"fx0-gent00000 flexisoft eip gatew."},{"vendor":"sick ag","product":"fx0-gent00000 flexisoft eip gatew. firmware"},{"vendor":"sick ag","product":"fx0-gent00010 flexisoft eip gw (c)"},{"vendor":"sick ag","product":"fx0-gent00010 flexisoft eip gw (c) firmware"},{"vendor":"sick ag","product":"fx0-gent00030 flexisoft eip gatew.v2"},{"vendor":"sick ag","product":"fx0-gent00030 flexisoft eip gatew.v2 firmware"},{"vendor":"sick ag","product":"fx0-getc00000 flexisoft etc gw"},{"vendor":"sick ag","product":"fx0-getc00000 flexisoft etc gw firmware"},{"vendor":"sick ag","product":"fx0-getc00010 flexisoft etc gw (c)"},{"vendor":"sick ag","product":"fx0-getc00010 flexisoft etc gw (c) firmware"},{"vendor":"sick ag","product":"fx0-getc00040 flexisoft etc gw"},{"vendor":"sick ag","product":"fx0-getc00040 flexisoft etc gw firmware"},{"vendor":"sick ag","product":"fx0-gmod00000 flexisoft mod gatew."},{"vendor":"sick ag","product":"fx0-gmod00000 flexisoft mod gatew. firmware"},{"vendor":"sick ag","product":"fx0-gmod00010 flexisoft mod gw (c)"},{"vendor":"sick ag","product":"fx0-gmod00010 flexisoft mod gw (c) firmware"},{"vendor":"sick ag","product":"fx0-gpnt00000 flexisoft pnet gatew."},{"vendor":"sick ag","product":"fx0-gpnt00000 flexisoft pnet gatew. firmware"},{"vendor":"sick ag","product":"fx0-gpnt00010 flexisoft pnet gw (c)"},{"vendor":"sick ag","product":"fx0-gpnt00010 flexisoft pnet gw (c) firmware"},{"vendor":"sick ag","product":"fx0-gpnt00030 flexisoft pnet gatew.v2"},{"vendor":"sick ag","product":"fx0-gpnt00030 flexisoft pnet gatew.v2 firmware"},{"vendor":"sick ag","product":"fx3-gepr00000 flexisoft efi-pro gw"},{"vendor":"sick ag","product":"fx3-gepr00000 flexisoft efi-pro gw firmware"},{"vendor":"sick ag","product":"fx3-gepr00010 flexisoft efi-pro gw"},{"vendor":"sick ag","product":"fx3-gepr00010 flexisoft efi-pro gw firmware"},{"vendor":"sick ag","product":"ue410-en1 flexi ethernet gatew."},{"vendor":"sick ag","product":"ue410-en1 flexi ethernet gatew. firmware"},{"vendor":"sick ag","product":"ue410-en3 flexi ethernet gatew."},{"vendor":"sick ag","product":"ue410-en3 flexi ethernet gatew. firmware"},{"vendor":"sick ag","product":"ue410-en4 flexi ethernet gatew."},{"vendor":"sick ag","product":"ue410-en4 flexi ethernet gatew. firmware"}],"references":[{"url":"https://sick.com/psirt","tags":["issue-tracking","x_transferred","Vendor Advisory"]},{"url":"https://sick.com/.well-known/csaf/white/2023/sca-2023-0003.pdf","tags":["vendor-advisory","x_transferred","Vendor Advisory"]},{"url":"https://sick.com/.well-known/csaf/white/2023/sca-2023-0003.json","tags":["x_csaf","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-23444"},{"url":"https://github.com/advisories/GHSA-8w5h-774q-3rhm"}],"sources":{"cve":[{"id":"CVE-2023-23444","description":"Missing Authentication for Critical Function in SICK Flexi Classic and Flexi Soft Gateways with Partnumbers 1042193, 1042964, 1044078, 1044072, 1044073, 1044074, 1099830, 1099832, 1127717, 1069070, 1112296, 1051432, 1102420, 1127487, 1121596, 1121597 allows an unauthenticated remote attacker to influence the availability of the device by changing the IP settings of the device via broadcasted UDP packets.","status":"published","published":"2023-05-12T12:39:26.532Z","modified":"2026-06-01T12:19:07.455Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:35:20.812737Z"}],"euvd":[{"id":"EUVD-2023-27544","description":"Missing Authentication for Critical Function in SICK Flexi Classic and Flexi Soft Gateways with Partnumbers 1042193, 1042964, 1044078, 1044072, 1044073, 1044074, 1099830, 1099832, 1127717, 1069070, 1112296, 1051432, 1102420, 1127487, 1121596, 1121597 allows an unauthenticated remote attacker to influence the availability of the device by changing the IP settings of the device via broadcasted UDP packets.","status":"published","published":"2023-05-12T12:39:26Z","modified":"2026-06-01T12:19:07Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T18:20:59.105484Z"}],"ghsa":[{"id":"GHSA-8w5h-774q-3rhm","title":"Missing Authentication for Critical Function in SICK Flexi Classic and Flexi Soft Gateways with...","description":"Missing Authentication for Critical Function in SICK Flexi Classic and Flexi Soft Gateways with Partnumbers 1042193, 1042964, 1044078, 1044072, 1044073, 1044074, 1099830, 1099832, 1127717, 1069070, 1112296, 1051432, 1102420, 1127487, 1121596, 1121597 allows an unauthenticated remote attacker to influence the availability of the device by changing the IP settings of the device via broadcasted UDP packets.","status":"published","published":"2023-05-12T15:30:21Z","modified":"2024-04-04T04:03:51Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:56:21.184647Z"}],"nvd":[{"id":"CVE-2023-23444","description":"Missing Authentication for Critical Function in SICK Flexi Classic and Flexi Soft Gateways with Partnumbers 1042193, 1042964, 1044078, 1044072, 1044073, 1044074, 1099830, 1099832, 1127717, 1069070, 1112296, 1051432, 1102420, 1127487, 1121596, 1121597 allows an unauthenticated remote attacker to influence the availability of the device by changing the IP settings of the device via broadcasted UDP packets.","status":"published","published":"2023-05-12T13:15:09.35Z","modified":"2026-06-17T05:37:08.877Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:08:02.399327Z"}]}}