{"containers": {"cna": {"affected": [{"product": "ELECOM routers", "vendor": "ELECOM CO.,LTD.", "versions": [{"status": "affected", "version": "(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)"}]}], "descriptions": [{"lang": "en", "value": "OS command injection 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 authenticated attackers to execute an arbitrary OS command with the root privilege via unspecified vectors."}], "problemTypes": [{"descriptions": [{"description": "OS Command Injection", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-12-01T02:15:58.000Z", "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "shortName": "jpcert"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.elecom.co.jp/news/security/20211130-01/"}, {"tags": ["x_refsource_MISC"], "url": "https://jvn.jp/en/vu/JVNVU94527926/index.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "vultures@jpcert.or.jp", "ID": "CVE-2021-20863", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "ELECOM routers", "version": {"version_data": [{"version_value": "(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)"}]}}]}, "vendor_name": "ELECOM CO.,LTD."}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "OS command injection 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 authenticated attackers to execute an arbitrary OS command with the root privilege via unspecified vectors."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "OS Command Injection"}]}]}, "references": {"reference_data": [{"name": "https://www.elecom.co.jp/news/security/20211130-01/", "refsource": "MISC", "url": "https://www.elecom.co.jp/news/security/20211130-01/"}, {"name": "https://jvn.jp/en/vu/JVNVU94527926/index.html", "refsource": "MISC", "url": "https://jvn.jp/en/vu/JVNVU94527926/index.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T17:53:23.031Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.elecom.co.jp/news/security/20211130-01/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://jvn.jp/en/vu/JVNVU94527926/index.html"}]}]}, "cveMetadata": {"assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "assignerShortName": "jpcert", "cveId": "CVE-2021-20863", "datePublished": "2021-12-01T02:15:58.000Z", "dateReserved": "2020-12-17T00:00:00.000Z", "dateUpdated": "2024-08-03T17:53:23.031Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"product": "ELECOM routers", "vendor": "ELECOM CO.,LTD.", "versions": [{"status": "affected", "version": "(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)"}]}], "source": "vultures@jpcert.or.jp"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:elecom:wrc-1167gst2_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "D3AA3E1E-07AE-4152-A492-C3399A944BF7", "versionEndIncluding": "1.25", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:elecom:wrc-1167gst2:-:*:*:*:*:*:*:*", "matchCriteriaId": "F9045F74-985E-4C3C-AC10-14FD9B61A746", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:elecom:wrc-1167gst2a_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "AC52913C-AD35-469D-8F67-0CBD929E7CC5", "versionEndIncluding": "1.25", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:elecom:wrc-1167gst2a:-:*:*:*:*:*:*:*", "matchCriteriaId": "A33E8405-7457-4867-A4A5-360E173F69C3", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:elecom:wrc-1167gst2h_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "9E89A906-6747-4375-9027-598803400260", "versionEndIncluding": "1.25", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:elecom:wrc-1167gst2h:-:*:*:*:*:*:*:*", "matchCriteriaId": "56272E8D-141C-4BBC-9950-BD673DE78DF7", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:elecom:wrc-2533gs2-b_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "838C19DE-7992-40DB-996B-9F3F2C0A6B5B", "versionEndIncluding": "1.52", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:elecom:wrc-2533gs2-b:-:*:*:*:*:*:*:*", "matchCriteriaId": "D9FF3CB7-7F2E-472A-A2A3-ED599F4FC99C", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:elecom:wrc-2533gs2-w_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "CBD1BE1F-5197-4EFD-B34F-D39D97E07900", "versionEndIncluding": "1.52", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:elecom:wrc-2533gs2-w:-:*:*:*:*:*:*:*", "matchCriteriaId": "ECD9F0FE-1232-4C39-AA86-2D616E4D39C6", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:elecom:wrc-1750gs_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "0B90ED83-CB98-452B-A34C-F86256F2C1FF", "versionEndIncluding": "1.03", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:elecom:wrc-1750gs:-:*:*:*:*:*:*:*", "matchCriteriaId": "5F0C77E9-CD6E-498E-954B-A930EDB56CEB", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:elecom:wrc-1750gsv_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "8A65A768-A630-4804-9746-FCBBF17EEC63", "versionEndIncluding": "2.11", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:elecom:wrc-1750gsv:-:*:*:*:*:*:*:*", "matchCriteriaId": "B805C94F-F3EA-4DF2-9BD0-82F5A3CC1AA3", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:elecom:wrc-1900gst_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "8A570270-DF00-4D05-8E38-09F465E4B4CA", "versionEndIncluding": "1.03", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:elecom:wrc-1900gst:-:*:*:*:*:*:*:*", "matchCriteriaId": "C37FA743-9A1C-4817-9002-5B4A0D55EB30", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:elecom:wrc-2533gst_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "20A7CDAF-5B21-4D45-AEE7-F23374ABE11D", "versionEndIncluding": "1.03", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:elecom:wrc-2533gst:-:*:*:*:*:*:*:*", "matchCriteriaId": "061E2CC5-C26D-4A99-B7B6-7AA16EA61FE0", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:elecom:wrc-2533gst2_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "5BFCF93B-086E-4566-B80C-2698526059ED", "versionEndIncluding": "1.25", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:elecom:wrc-2533gst2:-:*:*:*:*:*:*:*", "matchCriteriaId": "85BF0A23-43C9-4497-BDDF-9366642503ED", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:elecom:wrc-2533gsta_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "C6BA52A2-79CF-4111-ADD9-F567CD7B6982", "versionEndIncluding": "1.03", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:elecom:wrc-2533gsta:-:*:*:*:*:*:*:*", "matchCriteriaId": "8A7E273D-FE44-4028-8A24-2E2F5346A8E8", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:elecom:wrc-2533gst2sp_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "78429AAB-582E-4E65-886F-3154B76B6F26", "versionEndIncluding": "1.25", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:elecom:wrc-2533gst2sp:-:*:*:*:*:*:*:*", "matchCriteriaId": "87DCC539-2464-401D-BEDD-21D8F89D52E3", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:elecom:wrc-2533gst2-g_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "DF24D0CA-259A-48A3-A0C0-BBDA737BCEF8", "versionEndIncluding": "1.25", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:elecom:wrc-2533gst2-g:-:*:*:*:*:*:*:*", "matchCriteriaId": "52CFBBB2-A29E-49EC-9FF6-265C92C01D88", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:elecom:edwrc-2533gst2_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "D1D5B7C7-E77F-43C5-AD15-EA9F9DA384A1", "versionEndIncluding": "1.25", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:elecom:edwrc-2533gst2:-:*:*:*:*:*:*:*", "matchCriteriaId": "92158669-E6B4-4079-84F8-F86B7F288E24", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "OS command injection 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 authenticated attackers to execute an arbitrary OS command with the 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"}]}

{}

{}