{"api_version":"1","generated_at":"2026-07-23T10:30:05+00:00","cve":"CVE-2020-10187","urls":{"html":"https://cve.report/CVE-2020-10187","api":"https://cve.report/api/cve/CVE-2020-10187.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2020-10187","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-10187"},"summary":{"title":"CVE-2020-10187","description":"Doorkeeper version 5.0.0 and later contains an information disclosure vulnerability that allows an attacker to retrieve the client secret only intended for the OAuth application owner. After authorizing the application and allowing access, the attacker simply needs to request the list of their authorized applications in a JSON format (usually GET /oauth/authorized_applications.json). An application is vulnerable if the authorized applications controller is enabled.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2020-05-04 14:15:00","updated_at":"2021-07-21 11:39:00"},"problem_types":["CWE-862"],"metrics":[],"references":[{"url":"https://github.com/rubysec/ruby-advisory-db/pull/446","name":"https://github.com/rubysec/ruby-advisory-db/pull/446","refsource":"MISC","tags":["Patch","Third Party Advisory"],"title":"Add CVE-2020-10187 for doorkeeper by stefansundin · Pull Request #446 · rubysec/ruby-advisory-db · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://github.com/doorkeeper-gem/doorkeeper/security/advisories/GHSA-j7vx-8mqj-cqp9","name":"https://github.com/doorkeeper-gem/doorkeeper/security/advisories/GHSA-j7vx-8mqj-cqp9","refsource":"MISC","tags":["Patch","Third Party Advisory"],"title":"Information disclosure for Application model · Advisory · doorkeeper-gem/doorkeeper · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://github.com/doorkeeper-gem/doorkeeper/releases","name":"https://github.com/doorkeeper-gem/doorkeeper/releases","refsource":"MISC","tags":["Release Notes","Third Party Advisory"],"title":"Releases · doorkeeper-gem/doorkeeper · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://github.com/doorkeeper-gem/doorkeeper/commit/25d038022c2fcad45af5b73f9d003cf38ff491f6","name":"https://github.com/doorkeeper-gem/doorkeeper/commit/25d038022c2fcad45af5b73f9d003cf38ff491f6","refsource":"MISC","tags":["Patch","Third Party Advisory"],"title":"Merge pull request from GHSA-j7vx-8mqj-cqp9 · doorkeeper-gem/doorkeeper@25d0380 · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-10187","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-10187","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2020","cve_id":"10187","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"doorkeeper_project","cpe5":"doorkeeper","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"ruby","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"10187","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"doorkeeper_project","cpe5":"doorkeeper","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"ruby","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2020-10187","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":"Doorkeeper version 5.0.0 and later contains an information disclosure vulnerability that allows an attacker to retrieve the client secret only intended for the OAuth application owner. After authorizing the application and allowing access, the attacker simply needs to request the list of their authorized applications in a JSON format (usually GET /oauth/authorized_applications.json). An application is vulnerable if the authorized applications controller is enabled."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"url":"https://github.com/doorkeeper-gem/doorkeeper/releases","refsource":"MISC","name":"https://github.com/doorkeeper-gem/doorkeeper/releases"},{"refsource":"MISC","name":"https://github.com/doorkeeper-gem/doorkeeper/commit/25d038022c2fcad45af5b73f9d003cf38ff491f6","url":"https://github.com/doorkeeper-gem/doorkeeper/commit/25d038022c2fcad45af5b73f9d003cf38ff491f6"},{"refsource":"MISC","name":"https://github.com/doorkeeper-gem/doorkeeper/security/advisories/GHSA-j7vx-8mqj-cqp9","url":"https://github.com/doorkeeper-gem/doorkeeper/security/advisories/GHSA-j7vx-8mqj-cqp9"},{"refsource":"MISC","name":"https://github.com/rubysec/ruby-advisory-db/pull/446","url":"https://github.com/rubysec/ruby-advisory-db/pull/446"}]}},"nvd":{"publishedDate":"2020-05-04 14:15:00","lastModifiedDate":"2021-07-21 11:39:00","problem_types":["CWE-862"],"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:M/Au:N/C:P/I:N/A:N","accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":4.3},"severity":"MEDIUM","exploitabilityScore":8.6,"impactScore":2.9,"acInsufInfo":false,"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:doorkeeper_project:doorkeeper:*:*:*:*:*:ruby:*:*","versionStartIncluding":"5.2.0","versionEndExcluding":"5.2.5","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:doorkeeper_project:doorkeeper:*:*:*:*:*:ruby:*:*","versionStartIncluding":"5.1.0","versionEndExcluding":"5.1.1","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:doorkeeper_project:doorkeeper:*:*:*:*:*:ruby:*:*","versionStartIncluding":"5.0.0","versionEndExcluding":"5.0.3","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:doorkeeper_project:doorkeeper:*:*:*:*:*:ruby:*:*","versionStartIncluding":"5.3.0","versionEndExcluding":"5.3.2","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2020","CveId":"10187","Ordinal":"170596","Title":"CVE-2020-10187","CVE":"CVE-2020-10187","Year":"2020"},"notes":[{"CveYear":"2020","CveId":"10187","Ordinal":"1","NoteData":"Doorkeeper version 5.0.0 and later contains an information disclosure vulnerability that allows an attacker to retrieve the client secret only intended for the OAuth application owner. After authorizing the application and allowing access, the attacker simply needs to request the list of their authorized applications in a JSON format (usually GET /oauth/authorized_applications.json). An application is vulnerable if the authorized applications controller is enabled.","Type":"Description","Title":null},{"CveYear":"2020","CveId":"10187","Ordinal":"2","NoteData":"2020-05-04","Type":"Other","Title":"Published"},{"CveYear":"2020","CveId":"10187","Ordinal":"3","NoteData":"2020-05-04","Type":"Other","Title":"Modified"}]}}}