{"id": "CVE-2021-20859", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.7, "accessVector": "ADJACENT_NETWORK", "vectorString": "AV:A/AC:L/Au:S/C:C/I:C/A:C", "authentication": "SINGLE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 5.1, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.0, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.1}]}, "published": "2021-12-01T03:15:07.030", "references": [{"url": "https://jvn.jp/en/jp/JVN88993473/index.html", "tags": ["Third Party Advisory"], "source": "vultures@jpcert.or.jp"}, {"url": "https://www.elecom.co.jp/news/security/20211130-01/", "tags": ["Vendor Advisory"], "source": "vultures@jpcert.or.jp"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-78"}]}], "descriptions": [{"lang": "en", "value": "ELECOM LAN routers (WRC-1167GST2 firmware v1.25 and prior, WRC-1167GST2A firmware v1.25 and prior, WRC-1167GST2H firmware v1.25 and prior, WRC-2533GS2-B firmware v1.52 and prior, WRC-2533GS2-W firmware v1.52 and prior, WRC-1750GS firmware v1.03 and prior, WRC-1750GSV firmware v2.11 and prior, WRC-1900GST firmware v1.03 and prior, WRC-2533GST firmware v1.03 and prior, WRC-2533GSTA firmware v1.03 and prior, WRC-2533GST2 firmware v1.25 and prior, WRC-2533GST2SP firmware v1.25 and prior, WRC-2533GST2-G firmware v1.25 and prior, and EDWRC-2533GST2 firmware v1.25 and prior) allows a network-adjacent authenticated attacker to execute an arbitrary OS command via unspecified vectors."}, {"lang": "es", "value": "Los routers LAN de ELECOM (firmware WRC-1167GST2 versiones v1.25 y anteriores, firmware WRC-1167GST2A versiones v1.25 y anteriores, firmware WRC-1167GST2H versiones v1.25 y anteriores, firmware WRC-2533GS2-B versiones 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 versiones v1.03 y anteriores, firmware WRC-2533GSTA versiones v1.03 y anteriores, firmware WRC-2533GST2 versiones v1.25 y anteriores, firmware WRC-2533GST2SP versiones v1.25 y anteriores, firmware WRC-2533GST2-G versiones 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 por medio de vectores no especificados"}], "lastModified": "2021-12-02T15:24:05.990", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:elecom:wrc-1167gst2_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D3AA3E1E-07AE-4152-A492-C3399A944BF7", "versionEndIncluding": "1.25"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:elecom:wrc-1167gst2:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "F9045F74-985E-4C3C-AC10-14FD9B61A746"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:elecom:wrc-1167gst2a_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AC52913C-AD35-469D-8F67-0CBD929E7CC5", "versionEndIncluding": "1.25"}], "operator": "OR"}, 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