CVE-2021-20697

{"containers": {"cna": {"affected": [{"product": "DAP-1880AC", "vendor": "D-Link Japan K.K.", "versions": [{"status": "affected", "version": "firmware version 1.21 and earlier"}]}], "descriptions": [{"lang": "en", "value": "Missing authentication for critical function in DAP-1880AC firmware version 1.21 and earlier allows a remote attacker to login to the device as an authenticated user without the access privilege via unspecified vectors."}], "problemTypes": [{"descriptions": [{"description": "Missing authentication for critical function", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-04-26T00:20:43.000Z", "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "shortName": "jpcert"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.dlink-jp.com/support/release/jvnvu92898656_dap-1880ac.html"}, {"tags": ["x_refsource_MISC"], "url": "https://jvn.jp/en/vu/JVNVU92898656/index.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "vultures@jpcert.or.jp", "ID": "CVE-2021-20697", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "DAP-1880AC", "version": {"version_data": [{"version_value": "firmware version 1.21 and earlier"}]}}]}, "vendor_name": "D-Link Japan K.K."}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Missing authentication for critical function in DAP-1880AC firmware version 1.21 and earlier allows a remote attacker to login to the device as an authenticated user without the access privilege via unspecified vectors."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Missing authentication for critical function"}]}]}, "references": {"reference_data": [{"name": "https://www.dlink-jp.com/support/release/jvnvu92898656_dap-1880ac.html", "refsource": "MISC", "url": "https://www.dlink-jp.com/support/release/jvnvu92898656_dap-1880ac.html"}, {"name": "https://jvn.jp/en/vu/JVNVU92898656/index.html", "refsource": "MISC", "url": "https://jvn.jp/en/vu/JVNVU92898656/index.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T17:45:45.532Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.dlink-jp.com/support/release/jvnvu92898656_dap-1880ac.html"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://jvn.jp/en/vu/JVNVU92898656/index.html"}]}]}, "cveMetadata": {"assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "assignerShortName": "jpcert", "cveId": "CVE-2021-20697", "datePublished": "2021-04-26T00:20:43.000Z", "dateReserved": "2020-12-17T00:00:00.000Z", "dateUpdated": "2024-08-03T17:45:45.532Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "DAP-1880AC", "vendor": "D-Link Japan K.K.", "versions": [{"status": "affected", "version": "firmware version 1.21 and earlier"}]}], "source": "vultures@jpcert.or.jp"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:dlink:dap-1880ac_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "4A34EE04-1B2C-4DE7-8FC6-9F9AE972328F", "versionEndIncluding": "1.21", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:dlink:dap-1880ac:-:*:*:*:*:*:*:*", "matchCriteriaId": "AB2B9717-DD29-495D-B2B6-6920E972EB88", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Missing authentication for critical function in DAP-1880AC firmware version 1.21 and earlier allows a remote attacker to login to the device as an authenticated user without the access privilege via unspecified vectors."}, {"lang": "es", "value": "Una falta de autenticaci\u00f3n para funciones cr\u00edticas en el firmware DAP-1880AC versi\u00f3n 1.21 y anteriores, permite a un atacante remoto iniciar sesi\u00f3n en el dispositivo como un usuario autenticado sin el privilegio de acceso por medio de vectores no especificados"}], "id": "CVE-2021-20697", "lastModified": "2026-06-17T03:34:16.467", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-04-26T01:15:07.920", "references": [{"source": "vultures@jpcert.or.jp", "tags": ["Third Party Advisory"], "url": "https://jvn.jp/en/vu/JVNVU92898656/index.html"}, {"source": "vultures@jpcert.or.jp", "tags": ["Vendor Advisory"], "url": "https://www.dlink-jp.com/support/release/jvnvu92898656_dap-1880ac.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://jvn.jp/en/vu/JVNVU92898656/index.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.dlink-jp.com/support/release/jvnvu92898656_dap-1880ac.html"}], "sourceIdentifier": "vultures@jpcert.or.jp", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-306"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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