{"api_version":"1","generated_at":"2026-07-23T10:00:02+00:00","cve":"CVE-2018-11407","urls":{"html":"https://cve.report/CVE-2018-11407","api":"https://cve.report/api/cve/CVE-2018-11407.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2018-11407","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-11407"},"summary":{"title":"CVE-2018-11407","description":"An issue was discovered in the Ldap component in Symfony 2.8.x before 2.8.37, 3.3.x before 3.3.17, 3.4.x before 3.4.7, and 4.0.x before 4.0.7. It allows remote attackers to bypass authentication by logging in with a \"null\" password and valid username, which triggers an unauthenticated bind.  NOTE: this issue exists because of an incomplete fix for CVE-2016-2403.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2018-06-13 16:29:00","updated_at":"2018-08-03 12:45:00"},"problem_types":["CWE-287"],"metrics":[],"references":[{"url":"https://symfony.com/blog/cve-2018-11407-unauthorized-access-on-a-misconfigured-ldap-server-when-using-an-empty-password","name":"https://symfony.com/blog/cve-2018-11407-unauthorized-access-on-a-misconfigured-ldap-server-when-using-an-empty-password","refsource":"CONFIRM","tags":["Vendor Advisory"],"title":"CVE-2018-11407: Unauthorized access on a misconfigured LDAP server when using an empty password (Symfony Blog)","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-11407","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-11407","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2018","cve_id":"11407","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"sensiolabs","cpe5":"symfony","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"11407","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"sensiolabs","cpe5":"symfony","cpe6":"*","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-2018-11407","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 issue was discovered in the Ldap component in Symfony 2.8.x before 2.8.37, 3.3.x before 3.3.17, 3.4.x before 3.4.7, and 4.0.x before 4.0.7. It allows remote attackers to bypass authentication by logging in with a \"null\" password and valid username, which triggers an unauthenticated bind.  NOTE: this issue exists because of an incomplete fix for CVE-2016-2403."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"https://symfony.com/blog/cve-2018-11407-unauthorized-access-on-a-misconfigured-ldap-server-when-using-an-empty-password","refsource":"CONFIRM","url":"https://symfony.com/blog/cve-2018-11407-unauthorized-access-on-a-misconfigured-ldap-server-when-using-an-empty-password"}]}},"nvd":{"publishedDate":"2018-06-13 16:29:00","lastModifiedDate":"2018-08-03 12:45:00","problem_types":["CWE-287"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL"},"exploitabilityScore":3.9,"impactScore":5.9},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:P/A:P","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL","baseScore":7.5},"severity":"HIGH","exploitabilityScore":10,"impactScore":6.4,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3.0","versionEndExcluding":"3.3.17","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*","versionStartIncluding":"2.8.0","versionEndExcluding":"2.8.37","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*","versionStartIncluding":"3.4.0","versionEndExcluding":"3.4.7","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*","versionStartIncluding":"4.0.0","versionEndExcluding":"4.0.7","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2018","CveId":"11407","Ordinal":"127884","Title":"CVE-2018-11407","CVE":"CVE-2018-11407","Year":"2018"},"notes":[{"CveYear":"2018","CveId":"11407","Ordinal":"1","NoteData":"An issue was discovered in the Ldap component in Symfony 2.8.x before 2.8.37, 3.3.x before 3.3.17, 3.4.x before 3.4.7, and 4.0.x before 4.0.7. It allows remote attackers to bypass authentication by logging in with a \"null\" password and valid username, which triggers an unauthenticated bind.  NOTE: this issue exists because of an incomplete fix for CVE-2016-2403.","Type":"Description","Title":null},{"CveYear":"2018","CveId":"11407","Ordinal":"2","NoteData":"2018-06-13","Type":"Other","Title":"Published"},{"CveYear":"2018","CveId":"11407","Ordinal":"3","NoteData":"2018-06-13","Type":"Other","Title":"Modified"}]}}}