{"id":"CVE-2025-47872","state":"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.","publishedAt":"2025-08-08T16:14:18.901Z","updatedAt":"2025-08-08T19:13:18.978Z","severity":{"score":6.9,"label":"Medium","version":"4.0","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","source":"icscert"},"assigner":"icscert","products":["EG4 Electronics EG4 12kPV","EG4 Electronics EG4 18kPV","EG4 Electronics EG4 Flex 21","EG4 Electronics EG4 Flex 18","EG4 Electronics EG4 6000XP","EG4 Electronics EG4 12000XP","EG4 Electronics EG4 GridBoss"],"affected":[{"vendor":"EG4 Electronics","product":"EG4 12kPV","defaultStatus":"unaffected","versions":[{"version":"all versions","status":"affected"}]},{"vendor":"EG4 Electronics","product":"EG4 18kPV","defaultStatus":"unaffected","versions":[{"version":"all versions","status":"affected"}]},{"vendor":"EG4 Electronics","product":"EG4 Flex 21","defaultStatus":"unaffected","versions":[{"version":"all versions","status":"affected"}]},{"vendor":"EG4 Electronics","product":"EG4 Flex 18","defaultStatus":"unaffected","versions":[{"version":"all versions","status":"affected"}]},{"vendor":"EG4 Electronics","product":"EG4 6000XP","defaultStatus":"unaffected","versions":[{"version":"all versions","status":"affected"}]},{"vendor":"EG4 Electronics","product":"EG4 12000XP","defaultStatus":"unaffected","versions":[{"version":"all versions","status":"affected"}]},{"vendor":"EG4 Electronics","product":"EG4 GridBoss","defaultStatus":"unaffected","versions":[{"version":"all versions","status":"affected"}]}],"references":["https://www.cisa.gov/news-events/ics-advisories/icsa-25-219-07","https://eg4electronics.com/contact/"],"weaknesses":["CWE-203"],"ingestedAt":"2026-10-29T20:09:23.771Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/47xxx/CVE-2025-47872.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-47872","state":"PUBLISHED","datePublished":"2025-08-08T16:14:18.901Z","dateUpdated":"2025-08-08T19:13:18.978Z","assignerShortName":"icscert","assignerOrgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","dateReserved":"2025-07-30T19:03:10.076Z"},"containers":{"cna":{"title":"EG4 Electronics EG4 Inverters Observable Discrepancy","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"EG4 Electronics","product":"EG4 12kPV","defaultStatus":"unaffected","versions":[{"version":"all versions","status":"affected"}]},{"vendor":"EG4 Electronics","product":"EG4 18kPV","defaultStatus":"unaffected","versions":[{"version":"all versions","status":"affected"}]},{"vendor":"EG4 Electronics","product":"EG4 Flex 21","defaultStatus":"unaffected","versions":[{"version":"all versions","status":"affected"}]},{"vendor":"EG4 Electronics","product":"EG4 Flex 18","defaultStatus":"unaffected","versions":[{"version":"all versions","status":"affected"}]},{"vendor":"EG4 Electronics","product":"EG4 6000XP","defaultStatus":"unaffected","versions":[{"version":"all versions","status":"affected"}]},{"vendor":"EG4 Electronics","product":"EG4 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Rose of BC Security reported these vulnerabilities to CISA."}],"source":{"advisory":"ICSA-25-219-07","discovery":"EXTERNAL"},"workarounds":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>EG4 has acknowledged the vulnerabilities and is actively working on a\n fix, including new hardware expected to release by October 15, 2025. \nUntil then, EG4 will actively monitor all installed systems and work \nwith affected users on a case-by-case basis if anomalies are observed.<br></p>\n\n<p>For more information, <a target=\"_blank\" rel=\"nofollow\" href=\"https://eg4electronics.com/contact/\">contact EG4.</a></p>\n\n<br>"}],"value":"EG4 has acknowledged the vulnerabilities and is actively working on a\n fix, including new hardware expected to release by October 15, 2025. \nUntil then, EG4 will actively monitor all installed systems and work \nwith affected users on a case-by-case basis if anomalies are observed.\n\n\n\n\nFor more information,  contact EG4. https://eg4electronics.com/contact/"}],"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-08-08T19:13:07.557132Z","id":"CVE-2025-47872","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-08-08T19:13:18.978Z"}}]}}}