{"api_version":"1","generated_at":"2026-04-23T09:37:54+00:00","cve":"CVE-2020-15896","urls":{"html":"https://cve.report/CVE-2020-15896","api":"https://cve.report/api/cve/CVE-2020-15896.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2020-15896","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-15896"},"summary":{"title":"CVE-2020-15896","description":"An authentication-bypass issue was discovered on D-Link DAP-1522 devices 1.4x before 1.10b04Beta02. There exist a few pages that are directly accessible by any unauthorized user, e.g., logout.php and login.php. This occurs because of checking the value of NO_NEED_AUTH. If the value of NO_NEED_AUTH is 1, the user has direct access to the webpage without any authentication. By appending a query string NO_NEED_AUTH with the value of 1 to any protected URL, any unauthorized user can access the application directly, as demonstrated by bsc_lan.php?NO_NEED_AUTH=1.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2020-07-22 19:15:00","updated_at":"2020-07-27 15:06:00"},"problem_types":["CWE-287"],"metrics":[],"references":[{"url":"https://research.loginsoft.com/bugs/authentication-bypass-in-d-link-firmware-dap-1522/","name":"https://research.loginsoft.com/bugs/authentication-bypass-in-d-link-firmware-dap-1522/","refsource":"MISC","tags":["Third Party Advisory"],"title":"CVE-2020-15896:Authentication Bypass in D-link Firmware DAP-1522 - Loginsoft Research","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10169","name":"https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10169","refsource":"MISC","tags":["Patch","Vendor Advisory"],"title":"D-Link Technical Support","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-15896","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-15896","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2020","cve_id":"15896","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"dlink","cpe5":"dap-1522","cpe6":"a1","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"15896","vulnerable":"0","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"dlink","cpe5":"dap-1522","cpe6":"a1","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"15896","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"dlink","cpe5":"dap-1522_firmware","cpe6":"1.41","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"15896","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"dlink","cpe5":"dap-1522_firmware","cpe6":"1.42","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"15896","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"dlink","cpe5":"dap-1522_firmware","cpe6":"1.41","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"15896","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"dlink","cpe5":"dap-1522_firmware","cpe6":"1.42","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2020-15896","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"An authentication-bypass issue was discovered on D-Link DAP-1522 devices 1.4x before 1.10b04Beta02. There exist a few pages that are directly accessible by any unauthorized user, e.g., logout.php and login.php. This occurs because of checking the value of NO_NEED_AUTH. If the value of NO_NEED_AUTH is 1, the user has direct access to the webpage without any authentication. By appending a query string NO_NEED_AUTH with the value of 1 to any protected URL, any unauthorized user can access the application directly, as demonstrated by bsc_lan.php?NO_NEED_AUTH=1."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"url":"https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10169","refsource":"MISC","name":"https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10169"},{"url":"https://research.loginsoft.com/bugs/authentication-bypass-in-d-link-firmware-dap-1522/","refsource":"MISC","name":"https://research.loginsoft.com/bugs/authentication-bypass-in-d-link-firmware-dap-1522/"}]}},"nvd":{"publishedDate":"2020-07-22 19:15:00","lastModifiedDate":"2020-07-27 15:06:00","problem_types":["CWE-287"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:N/A:N","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":5},"severity":"MEDIUM","exploitabilityScore":10,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"AND","children":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:dlink:dap-1522_firmware:1.41:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:dlink:dap-1522_firmware:1.42:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:h:dlink:dap-1522:a1:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]}]}},"legacy_mitre":{"record":{"CveYear":"2020","CveId":"15896","Ordinal":"177303","Title":"CVE-2020-15896","CVE":"CVE-2020-15896","Year":"2020"},"notes":[{"CveYear":"2020","CveId":"15896","Ordinal":"1","NoteData":"An authentication-bypass issue was discovered on D-Link DAP-1522 devices 1.4x before 1.10b04Beta02. There exist a few pages that are directly accessible by any unauthorized user, e.g., logout.php and login.php. This occurs because of checking the value of NO_NEED_AUTH. If the value of NO_NEED_AUTH is 1, the user has direct access to the webpage without any authentication. By appending a query string NO_NEED_AUTH with the value of 1 to any protected URL, any unauthorized user can access the application directly, as demonstrated by bsc_lan.php?NO_NEED_AUTH=1.","Type":"Description","Title":null},{"CveYear":"2020","CveId":"15896","Ordinal":"2","NoteData":"2020-07-22","Type":"Other","Title":"Published"},{"CveYear":"2020","CveId":"15896","Ordinal":"3","NoteData":"2020-07-22","Type":"Other","Title":"Modified"}]}}}