{"id":"CVE-2026-41020","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 authentication exchange and gain unauthorized access to the device.","summary":"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.","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","cvssSource":"cna","cwe":["CWE-294"],"vendor":"Eaton","product":"easyE4","affected":["easyE4 < 2.46"],"published":"2026-10-27","updated":"2026-10-27","sourceUpdated":"2026-10-27T11:05:51.545Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-41020","references":[{"url":"https://www.eaton.com/content/dam/eaton/company/news-insights/cybersecurity/security-bulletins/eaton-va-2026-1017.pdf"}],"tags":["cve.org"],"ingestedAt":"2026-10-27T16:11:59.301Z","slug":"CVE-2026-41020","body":"## Overview\n\nEaton 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.\n\n## Affected\n\n- `easyE4 < 2.46`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}