{"id":"CVE-2023-25556","aliases":["EUVD-2023-29508","GHSA-q53x-4f23-hq3j"],"status":"published","title":"A CWE-287: Improper Authentication vulnerability exists that could allow a device to be...","description":"A CWE-287: Improper Authentication vulnerability exists that could allow a device to be\ncompromised when a key of less than seven digits is entered and the attacker has access to the\nKNX installation.","severity":{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00358,"percentile":0.29831,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2023-04-18T17:03:07Z","modified":"2026-06-17T05:41:29Z","products":[{"vendor":"schneider electric","product":"merten instabus tastermodul 1fach system m 625199"},{"vendor":"schneider electric","product":"merten instabus tastermodul 2fach system m 625299"},{"vendor":"schneider electric","product":"merten jalousie-/schaltaktor reg-k/8x/16x/10 m. hb 649908"},{"vendor":"schneider electric","product":"merten knx argus 180/2,20m up system 631725"},{"vendor":"schneider electric","product":"merten knx schaltakt.2x6a up m.2 eing. meg6003-0002"},{"vendor":"schneider electric","product":"merten knx uni-dimmaktor ll reg-k/2x230/300 w meg6710-0002"},{"vendor":"schneider electric","product":"merten tasterschnittstelle 4fach plus 670804"},{"vendor":"schneider-electric","product":"merten_instabus_tastermodul_1fach_system_m_firmware"},{"vendor":"schneider-electric","product":"merten_instabus_tastermodul_2fach_system_m_firmware"},{"vendor":"schneider-electric","product":"merten_jalousie-\\/schaltaktor_reg-k\\/8x\\/16x\\/10_m._hb_firmware"},{"vendor":"schneider-electric","product":"merten_knx_argus_180\\/2\\,20m_up_system_firmware"},{"vendor":"schneider-electric","product":"merten_knx_schaltakt.2x6a_up_m.2_eing._firmware"},{"vendor":"schneider-electric","product":"merten_knx_uni-dimmaktor_ll_reg-k\\/2x230\\/300_w_firmware"},{"vendor":"schneider-electric","product":"merten_tasterschnittstelle_4fach_plus_firmware"}],"references":[{"url":"https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2023-045-03\u0026p_enDocType=Security+and+Safety+Notice\u0026p_File_Name=SEVD-2023-045-03.pdf","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-25556"},{"url":"https://github.com/advisories/GHSA-q53x-4f23-hq3j"}],"sources":{"cve":[{"id":"CVE-2023-25556","description":"\nA CWE-287: Improper Authentication vulnerability exists that could allow a device to be\ncompromised when a key of less than seven digits is entered and the attacker has access to the\nKNX installation.\n\n","status":"published","published":"2023-04-18T17:03:07.661Z","modified":"2025-02-05T21:15:50.417Z","cvss":[{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:35:19.959682Z"}],"euvd":[{"id":"EUVD-2023-29508","description":"\nA CWE-287: Improper Authentication vulnerability exists that could allow a device to be\ncompromised when a key of less than seven digits is entered and the attacker has access to the\nKNX installation.\n\n","status":"published","published":"2023-04-18T17:03:07Z","modified":"2025-02-05T21:15:50Z","cvss":[{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:04:03.798167Z"}],"ghsa":[{"id":"GHSA-q53x-4f23-hq3j","title":"\nA CWE-287: Improper Authentication vulnerability exists that could allow a device to be...","description":"\nA CWE-287: Improper Authentication vulnerability exists that could allow a device to be\ncompromised when a key of less than seven digits is entered and the attacker has access to the\nKNX installation.\n\n","status":"published","published":"2023-04-18T18:30:29Z","modified":"2024-04-04T03:32:14Z","cvss":[{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H","level":"high"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:56:15.929186Z"}],"nvd":[{"id":"CVE-2023-25556","description":"\nA CWE-287: Improper Authentication vulnerability exists that could allow a device to be\ncompromised when a key of less than seven digits is entered and the attacker has access to the\nKNX installation.\n\n","status":"published","published":"2023-04-18T18:15:07.357Z","modified":"2026-06-17T05:41:29.06Z","cvss":[{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:07:56.683259Z"}]}}