{"api_version":"1","generated_at":"2026-07-23T12:17:31+00:00","cve":"CVE-2022-21799","urls":{"html":"https://cve.report/CVE-2022-21799","api":"https://cve.report/api/cve/CVE-2022-21799.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2022-21799","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-21799"},"summary":{"title":"CVE-2022-21799","description":"Cross-site scripting vulnerability in ELECOM LAN router WRC-300FEBK-R firmware v1.13 and earlier allows an attacker on the adjacent network to inject an arbitrary script via unspecified vectors.","state":"PUBLIC","assigner":"vultures@jpcert.or.jp","published_at":"2022-02-08 11:15:00","updated_at":"2022-02-11 16:18:00"},"problem_types":["CWE-79"],"metrics":[],"references":[{"url":"https://www.elecom.co.jp/news/security/20220208-02/","name":"https://www.elecom.co.jp/news/security/20220208-02/","refsource":"MISC","tags":[],"title":"無線LANルーター・中継器のセキュリティ向上のためのファームウェアアップデートのお願い - 最新情報 - セキュリティ情報｜ELECOM","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://jvn.jp/en/jp/JVN17482543/index.html","name":"https://jvn.jp/en/jp/JVN17482543/index.html","refsource":"MISC","tags":[],"title":"JVN#17482543: Multiple vulnerabilities in multiple ELECOM LAN routers","mime":"text/xml","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-21799","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-21799","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2022","cve_id":"21799","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"elecom","cpe5":"wrc-300febk-r","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2022","cve_id":"21799","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"elecom","cpe5":"wrc-300febk-r_firmware","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"data_type":"CVE","data_format":"MITRE","data_version":"4.0","CVE_data_meta":{"ID":"CVE-2022-21799","ASSIGNER":"vultures@jpcert.or.jp","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"vendor_name":"ELECOM CO.,LTD.","product":{"product_data":[{"product_name":"ELECOM LAN router","version":{"version_data":[{"version_value":"WRC-300FEBK-R firmware v1.13 and earlier"}]}}]}}]}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Cross-site scripting"}]}]},"references":{"reference_data":[{"url":"https://www.elecom.co.jp/news/security/20220208-02/","refsource":"MISC","name":"https://www.elecom.co.jp/news/security/20220208-02/"},{"url":"https://jvn.jp/en/jp/JVN17482543/index.html","refsource":"MISC","name":"https://jvn.jp/en/jp/JVN17482543/index.html"}]},"description":{"description_data":[{"lang":"eng","value":"Cross-site scripting vulnerability in ELECOM LAN router WRC-300FEBK-R firmware v1.13 and earlier allows an attacker on the adjacent network to inject an arbitrary script via unspecified vectors."}]}},"nvd":{"publishedDate":"2022-02-08 11:15:00","lastModifiedDate":"2022-02-11 16:18:00","problem_types":["CWE-79"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE","baseScore":5.2,"baseSeverity":"MEDIUM"},"exploitabilityScore":2.1,"impactScore":2.7},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:A/AC:M/Au:N/C:N/I:P/A:N","accessVector":"ADJACENT_NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"PARTIAL","availabilityImpact":"NONE","baseScore":2.9},"severity":"LOW","exploitabilityScore":5.5,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":true}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"AND","children":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:elecom:wrc-300febk-r_firmware:*:*:*:*:*:*:*:*","versionEndExcluding":"1.16","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:h:elecom:wrc-300febk-r:-:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]}]}},"legacy_mitre":{"record":{"CveYear":"2022","CveId":"21799","Ordinal":"227569","Title":"CVE-2022-21799","CVE":"CVE-2022-21799","Year":"2022"},"notes":[{"CveYear":"2022","CveId":"21799","Ordinal":"1","NoteData":"Cross-site scripting vulnerability in ELECOM LAN router WRC-300FEBK-R firmware v1.13 and earlier allows an attacker on the adjacent network to inject an arbitrary script via unspecified vectors.","Type":"Description","Title":null},{"CveYear":"2022","CveId":"21799","Ordinal":"2","NoteData":"2022-02-08","Type":"Other","Title":"Published"},{"CveYear":"2022","CveId":"21799","Ordinal":"3","NoteData":"2022-02-08","Type":"Other","Title":"Modified"}]}}}