CVE-2021-20864

{"id": "CVE-2021-20864", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 8.3, "accessVector": "ADJACENT_NETWORK", "vectorString": "AV:A/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 6.5, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "published": "2021-12-01T03:15:07.273", "references": [{"url": "https://jvn.jp/en/vu/JVNVU94527926/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"}, {"url": "https://jvn.jp/en/vu/JVNVU94527926/index.html", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.elecom.co.jp/news/security/20211130-01/", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-Other"}]}], "descriptions": [{"lang": "en", "value": "Improper access control vulnerability in ELECOM 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 unauthenticated attacker to bypass access restriction, and to start the telnet service and execute an arbitrary OS command via unspecified vectors."}, {"lang": "es", "value": "Una vulnerabilidad de control de acceso inapropiado en los routers 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 no autentificado adyacente a la red omitir la restricci\u00f3n de acceso, e iniciar el servicio telnet y ejecutar un comando arbitrario del SO por medio de vectores no especificados"}], "lastModified": "2024-11-21T05:47:18.223", "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"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:elecom:wrc-1167gst2a:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "A33E8405-7457-4867-A4A5-360E173F69C3"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:elecom:wrc-1167gst2h_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9E89A906-6747-4375-9027-598803400260", "versionEndIncluding": "1.25"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:elecom:wrc-1167gst2h:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "56272E8D-141C-4BBC-9950-BD673DE78DF7"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:elecom:wrc-2533gs2-b_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "838C19DE-7992-40DB-996B-9F3F2C0A6B5B", "versionEndIncluding": "1.52"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:elecom:wrc-2533gs2-b:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "D9FF3CB7-7F2E-472A-A2A3-ED599F4FC99C"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:elecom:wrc-2533gs2-w_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CBD1BE1F-5197-4EFD-B34F-D39D97E07900", "versionEndIncluding": "1.52"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:elecom:wrc-2533gs2-w:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "ECD9F0FE-1232-4C39-AA86-2D616E4D39C6"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:elecom:wrc-1750gs_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0B90ED83-CB98-452B-A34C-F86256F2C1FF", "versionEndIncluding": "1.03"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:elecom:wrc-1750gs:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "5F0C77E9-CD6E-498E-954B-A930EDB56CEB"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:elecom:wrc-1750gsv_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8A65A768-A630-4804-9746-FCBBF17EEC63", "versionEndIncluding": "2.11"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:elecom:wrc-1750gsv:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "B805C94F-F3EA-4DF2-9BD0-82F5A3CC1AA3"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:elecom:wrc-1900gst_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8A570270-DF00-4D05-8E38-09F465E4B4CA", "versionEndIncluding": "1.03"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:elecom:wrc-1900gst:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "C37FA743-9A1C-4817-9002-5B4A0D55EB30"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:elecom:wrc-2533gst_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "20A7CDAF-5B21-4D45-AEE7-F23374ABE11D", "versionEndIncluding": "1.03"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:elecom:wrc-2533gst:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "061E2CC5-C26D-4A99-B7B6-7AA16EA61FE0"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:elecom:wrc-2533gst2_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5BFCF93B-086E-4566-B80C-2698526059ED", "versionEndIncluding": "1.25"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:elecom:wrc-2533gst2:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "85BF0A23-43C9-4497-BDDF-9366642503ED"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:elecom:wrc-2533gsta_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C6BA52A2-79CF-4111-ADD9-F567CD7B6982", "versionEndIncluding": "1.03"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:elecom:wrc-2533gsta:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "8A7E273D-FE44-4028-8A24-2E2F5346A8E8"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:elecom:wrc-2533gst2sp_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "78429AAB-582E-4E65-886F-3154B76B6F26", "versionEndIncluding": "1.25"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:elecom:wrc-2533gst2sp:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "87DCC539-2464-401D-BEDD-21D8F89D52E3"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:elecom:wrc-2533gst2-g_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DF24D0CA-259A-48A3-A0C0-BBDA737BCEF8", "versionEndIncluding": "1.25"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:elecom:wrc-2533gst2-g:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "52CFBBB2-A29E-49EC-9FF6-265C92C01D88"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:elecom:edwrc-2533gst2_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D1D5B7C7-E77F-43C5-AD15-EA9F9DA384A1", "versionEndIncluding": "1.25"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:elecom:edwrc-2533gst2:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "92158669-E6B4-4079-84F8-F86B7F288E24"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "vultures@jpcert.or.jp"}