{"id":"CVE-2026-41020","state":"PUBLISHED","title":"Eaton easyE4 uses a static nonce during authentication, which could allow an unauthenticated attacker with access to captured authentication traffic to replay a valid authenticatio","description":"Eaton easyE4 uses a static nonce during authentication, which could allow an unauthenticated attacker with access to captured authentication traffic to replay a valid authentication exchange and gain unauthorized access to the device.","publishedAt":"2026-10-27T11:05:51.545Z","updatedAt":"2026-10-27T11:05:51.545Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","source":"Eaton"},"assigner":"Eaton","products":["Eaton easyE4"],"affected":[{"vendor":"Eaton","product":"easyE4","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"2.46","versionType":"custom"}]}],"references":["https://www.eaton.com/content/dam/eaton/company/news-insights/cybersecurity/security-bulletins/eaton-va-2026-1017.pdf"],"weaknesses":["CWE-294"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/41xxx/CVE-2026-41020.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-41020","state":"PUBLISHED","datePublished":"2026-10-27T11:05:51.545Z","dateUpdated":"2026-10-27T11:05:51.545Z","assignerShortName":"Eaton","assignerOrgId":"63703b7d-23e2-41ef-94b3-a3c6333f7759","dateReserved":"2026-04-16T05:27:09.485Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Eaton easyE4 uses a static nonce during authentication, which could allow an unauthenticated attacker with access to captured authentication traffic to replay a valid authentication exchange and gain unauthorized access to the device."}],"affected":[{"vendor":"Eaton","product":"easyE4","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"2.46","versionType":"custom"}]}],"references":[{"url":"https://www.eaton.com/content/dam/eaton/company/news-insights/cybersecurity/security-bulletins/eaton-va-2026-1017.pdf","tags":["vendor-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseSeverity":"HIGH","baseScore":7.5,"vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-294","lang":"en","description":"CWE-294 Authentication bypass by capture-replay","type":"CWE"}]}],"providerMetadata":{"shortName":"Eaton","orgId":"63703b7d-23e2-41ef-94b3-a3c6333f7759","dateUpdated":"2026-10-27T11:05:51.545Z"},"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.5"}}}}}