CVE-2017-7902

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Rockwell Automation Allen-Bradley MicroLogix 1100 programmable-logic controllers 1763-L16AWA, Series A and B, Version 16.00 and prior versions; 1763-L16BBB, Series A and B, Version 16.00 and prior versions; 1763-L16BWA, Series A and B, Version 16.00 and prior versions; and 1763-L16DWD, Series A and B, Version 16.00 and prior versions and Allen-Bradley MicroLogix 1400 programmable logic controllers 1766-L32AWA, Series A and B, Version 16.00 and prior versions; 1766-L32BWA, Series A and B, Version 16.00 and prior versions; 1766-L32BWAA, Series A and B, Version 16.00 and prior versions; 1766-L32BXB, Series A and B, Version 16.00 and prior versions; 1766-L32BXBA, Series A and B, Version 16.00 and prior versions; and 1766-L32AWAA, Series A and B, Version 16.00 and prior versions. The affected product reuses nonces, which may allow an attacker to capture and replay a valid request until the nonce is changed."}, {"lang": "es", "value": "Se detect\u00f3 un problema de \"Reusing a Nonce, Key Pair in Encryption\" en los controladores de l\u00f3gica programable MicroLogix 1100 de Allen-Bradley 1763-L16AWA, Serie A y B, Versi\u00f3n 16.00 y versiones anteriores; 1763-L16BBB, Serie A y B, Versi\u00f3n 16.00 y versiones anteriores; 1763-L16BWA, Serie A y B, Versi\u00f3n 16.00 y versiones anteriores; y 1763-L16DWD, Serie A y B, Versi\u00f3n 16.00 y versiones anteriores y Controladores l\u00f3gicos programables Allen-Bradley MicroLogix 1400 1766-L32AWA, Serie A y B, Versi\u00f3n 16.00 y versiones anteriores; 1766-L32BWA, Series A y B, versi\u00f3n 16.00 y versiones anteriores; 1766-L32BWAA, Serie A y B, Versi\u00f3n 16.00 y versiones anteriores; 1766-L32BXB, Serie A y B, Versi\u00f3n 16.00 y versiones anteriores; 1766-L32BXBA, Serie A y B, Versi\u00f3n 16.00 y versiones anteriores; y 1766-L32AWAA, Serie A y B, Versi\u00f3n 16.00 y versiones anteriores. El producto afectado reutiliza nonces, lo que puede permitir que un atacante capture y reproduzca una solicitud v\u00e1lida hasta que se cambie el nonce."}], "id": "CVE-2017-7902", "lastModified": "2026-06-17T01:25:25.780", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-06-30T03:29:00.827", "references": [{"source": "ics-cert@hq.dhs.gov", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1038546"}, {"source": "ics-cert@hq.dhs.gov", "tags": ["Patch", "Third Party Advisory", "US Government Resource"], "url": "https://ics-cert.us-cert.gov/advisories/ICSA-17-115-04"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1038546"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory", "US Government Resource"], "url": "https://ics-cert.us-cert.gov/advisories/ICSA-17-115-04"}], "sourceIdentifier": "ics-cert@hq.dhs.gov", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-323"}], "source": "ics-cert@hq.dhs.gov", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-330"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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