{"id":"CVE-2025-47872","aliases":["EUVD-2025-23993","GHSA-vp38-x48w-r4cx"],"status":"published","title":"EG4 Electronics EG4 Inverters Observable Discrepancy","description":"The public-facing product registration endpoint server responds \ndifferently depending on whether the S/N is valid and unregistered, \nvalid but already registered, or does not exist in the database. \nCombined with the fact that serial numbers are sequentially assigned, \nthis allows an attacker to gain information on the product registration \nstatus of different S/Ns.","severity":{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00344,"percentile":0.2814,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-203"],"published":"2025-08-08T16:14:18Z","modified":"2026-06-17T09:28:47Z","products":[{"vendor":"eg4 electronics","product":"eg4 12000xp"},{"vendor":"eg4 electronics","product":"eg4 12kpv"},{"vendor":"eg4 electronics","product":"eg4 18kpv"},{"vendor":"eg4 electronics","product":"eg4 6000xp"},{"vendor":"eg4 electronics","product":"eg4 flex 18"},{"vendor":"eg4 electronics","product":"eg4 flex 21"},{"vendor":"eg4 electronics","product":"eg4 gridboss"}],"references":[{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-25-219-07"},{"url":"https://eg4electronics.com/contact/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-47872"},{"url":"https://eg4electronics.com/contact"},{"url":"https://github.com/advisories/GHSA-vp38-x48w-r4cx"}],"sources":{"cve":[{"id":"CVE-2025-47872","title":"EG4 Electronics EG4 Inverters Observable Discrepancy","description":"The public-facing product registration endpoint server responds \ndifferently depending on whether the S/N is valid and unregistered, \nvalid but already registered, or does not exist in the database. \nCombined with the fact that serial numbers are sequentially assigned, \nthis allows an attacker to gain information on the product registration \nstatus of different S/Ns.","status":"published","published":"2025-08-08T16:14:18.901Z","modified":"2025-08-08T19:13:18.978Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-203"],"updated_at":"2026-11-02T14:32:26.320248Z"}],"euvd":[{"id":"EUVD-2025-23993","description":"The public-facing product registration endpoint server responds \ndifferently depending on whether the S/N is valid and unregistered, \nvalid but already registered, or does not exist in the database. \nCombined with the fact that serial numbers are sequentially assigned, \nthis allows an attacker to gain information on the product registration \nstatus of different S/Ns.","status":"published","published":"2025-08-08T16:14:18Z","modified":"2025-08-08T19:13:18Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T20:31:59.900029Z"}],"ghsa":[{"id":"GHSA-vp38-x48w-r4cx","title":"The public-facing product registration endpoint server responds \ndifferently depending on whether...","description":"The public-facing product registration endpoint server responds \ndifferently depending on whether the S/N is valid and unregistered, \nvalid but already registered, or does not exist in the database. \nCombined with the fact that serial numbers are sequentially assigned, \nthis allows an attacker to gain information on the product registration \nstatus of different S/Ns.","status":"published","published":"2025-08-08T18:32:22Z","modified":"2025-08-08T18:32:28Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-203"],"updated_at":"2026-11-02T15:03:12.931908Z"}],"nvd":[{"id":"CVE-2025-47872","description":"The public-facing product registration endpoint server responds \ndifferently depending on whether the S/N is valid and unregistered, \nvalid but already registered, or does not exist in the database. \nCombined with the fact that serial numbers are sequentially assigned, \nthis allows an attacker to gain information on the product registration \nstatus of different S/Ns.","status":"published","published":"2025-08-08T17:15:28.573Z","modified":"2026-06-17T09:28:47.33Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-203"],"updated_at":"2026-11-02T14:11:22.319351Z"}]}}