{"api_version":"1","generated_at":"2026-07-24T21:29:03+00:00","cve":"CVE-2020-29042","urls":{"html":"https://cve.report/CVE-2020-29042","api":"https://cve.report/api/cve/CVE-2020-29042.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2020-29042","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-29042"},"summary":{"title":"CVE-2020-29042","description":"An issue was discovered in BigBlueButton through 2.2.29. A brute-force attack may occur because an unlimited number of codes can be entered for a meeting that is protected by an access code.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2020-11-26 18:15:00","updated_at":"2020-11-29 23:48:00"},"problem_types":["CWE-307"],"metrics":[],"references":[{"url":"http://packetstormsecurity.com/files/160238/BigBlueButton-2.2.29-Brute-Force.html","name":"http://packetstormsecurity.com/files/160238/BigBlueButton-2.2.29-Brute-Force.html","refsource":"MISC","tags":["Third Party Advisory"],"title":"BigBlueButton 2.2.29 Brute Force ≈ Packet Storm","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"https://github.com/bigbluebutton/bigbluebutton/releases","name":"https://github.com/bigbluebutton/bigbluebutton/releases","refsource":"MISC","tags":["Release Notes","Third Party Advisory"],"title":"Releases · bigbluebutton/bigbluebutton · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://cxsecurity.com/issue/WLB-2020110210","name":"https://cxsecurity.com/issue/WLB-2020110210","refsource":"MISC","tags":["Exploit","Third Party Advisory"],"title":"BigBlueButton Meeting Access Code Brute Force Vulnerability - CXSecurity.com","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-29042","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-29042","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2020","cve_id":"29042","vulnerable":"1","versionEndIncluding":"2.2.29","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"bigbluebutton","cpe5":"bigbluebutton","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-2020-29042","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 BigBlueButton through 2.2.29. A brute-force attack may occur because an unlimited number of codes can be entered for a meeting that is protected by an access code."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"url":"https://github.com/bigbluebutton/bigbluebutton/releases","refsource":"MISC","name":"https://github.com/bigbluebutton/bigbluebutton/releases"},{"refsource":"MISC","name":"https://cxsecurity.com/issue/WLB-2020110210","url":"https://cxsecurity.com/issue/WLB-2020110210"},{"refsource":"MISC","name":"http://packetstormsecurity.com/files/160238/BigBlueButton-2.2.29-Brute-Force.html","url":"http://packetstormsecurity.com/files/160238/BigBlueButton-2.2.29-Brute-Force.html"}]}},"nvd":{"publishedDate":"2020-11-26 18:15:00","lastModifiedDate":"2020-11-29 23:48:00","problem_types":["CWE-307"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":3.7,"baseSeverity":"LOW"},"exploitabilityScore":2.2,"impactScore":1.4},"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:bigbluebutton:bigbluebutton:*:*:*:*:*:*:*:*","versionEndIncluding":"2.2.29","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2020","CveId":"29042","Ordinal":"192105","Title":"CVE-2020-29042","CVE":"CVE-2020-29042","Year":"2020"},"notes":[{"CveYear":"2020","CveId":"29042","Ordinal":"1","NoteData":"An issue was discovered in BigBlueButton through 2.2.29. A brute-force attack may occur because an unlimited number of codes can be entered for a meeting that is protected by an access code.","Type":"Description","Title":null},{"CveYear":"2020","CveId":"29042","Ordinal":"2","NoteData":"2020-11-26","Type":"Other","Title":"Published"},{"CveYear":"2020","CveId":"29042","Ordinal":"3","NoteData":"2020-11-28","Type":"Other","Title":"Modified"}]}}}