CVE-2021-20863

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root privilege via unspecified vectors."}, {"lang": "es", "value": "Una vulnerabilidad de inyecci\u00f3n de comandos del SO en los routers ELECOM (firmware WRC-1167GST2 versiones v1.25 y anteriores, firmware WRC-1167GST2A versiones v1.25 y anteriores, firmware WRC-1167GST2H v1. 25 y anteriores, WRC-2533GS2-B firmware v1.52 y anteriores, firmware WRC-2533GS2-W versiones v1.52 y anteriores, firmware WRC-1750GS versiones v1.03 y anteriores, firmware WRC-1750GSV versiones v2.11 y anteriores, firmware WRC-1900GST versiones v1. 03 y anteriores, firmware WRC-2533GST v1.03 y anteriores, firmware WRC-2533GSTA v1.03 y anteriores, firmware WRC-2533GST2 v1.25 y anteriores, firmware WRC-2533GST2SP v1.25 y anteriores, firmware WRC-2533GST2-G v1. 25 y anteriores, y firmware EDWRC-2533GST2 versiones v1.25 y anteriores) permite a un atacante autenticado adyacente a la red ejecutar un comando arbitrario del sistema operativo con el privilegio de root por medio de vectores no especificados"}], "id": "CVE-2021-20863", "lastModified": "2026-06-17T03:34:33.767", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "ADJACENT_NETWORK", "authentication": "SINGLE", "availabilityImpact": "COMPLETE", "baseScore": 7.7, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:A/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 5.1, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.0, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.1, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-12-01T03:15:07.223", "references": [{"source": "vultures@jpcert.or.jp", "tags": ["Third Party Advisory"], "url": "https://jvn.jp/en/vu/JVNVU94527926/index.html"}, {"source": "vultures@jpcert.or.jp", "tags": ["Vendor Advisory"], "url": "https://www.elecom.co.jp/news/security/20211130-01/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://jvn.jp/en/vu/JVNVU94527926/index.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.elecom.co.jp/news/security/20211130-01/"}], "sourceIdentifier": "vultures@jpcert.or.jp", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-78"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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