CVE-2026-41020

{"id": "CVE-2026-41020", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "CybersecurityCOE@eaton.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.6}]}, "affected": [{"source": "CybersecurityCOE@eaton.com", "affectedData": [{"vendor": "Eaton", "product": "easyE4", "versions": [{"status": "affected", "version": "0", "lessThan": "2.46", "versionType": "custom"}], "defaultStatus": "unaffected"}]}], "published": "2026-10-27T12:17:07.670", "references": [{"url": "https://www.eaton.com/content/dam/eaton/company/news-insights/cybersecurity/security-bulletins/eaton-va-2026-1017.pdf", "source": "CybersecurityCOE@eaton.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "CybersecurityCOE@eaton.com", "description": [{"lang": "en", "value": "CWE-294"}]}], "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."}], "lastModified": "2026-10-27T16:03:45.247", "sourceIdentifier": "CybersecurityCOE@eaton.com"}