{"api_version":"1","generated_at":"2026-07-15T07:52:03+00:00","cve":"CVE-2020-4040","urls":{"html":"https://cve.report/CVE-2020-4040","api":"https://cve.report/api/cve/CVE-2020-4040.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2020-4040","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-4040"},"summary":{"title":"CVE-2020-4040","description":"Bolt CMS before version 3.7.1 lacked CSRF protection in the preview generating endpoint. Previews are intended to be generated by the admins, developers, chief-editors, and editors, who are authorized to create content in the application. But due to lack of proper CSRF protection, unauthorized users could generate a preview. This has been fixed in Bolt 3.7.1","state":"PUBLIC","assigner":"security-advisories@github.com","published_at":"2020-06-08 22:15:00","updated_at":"2022-10-07 01:25:00"},"problem_types":["CWE-352"],"metrics":[],"references":[{"url":"https://github.com/bolt/bolt/pull/7853","name":"https://github.com/bolt/bolt/pull/7853","refsource":"MISC","tags":["Patch","Third Party Advisory"],"title":"Check CSRF on Preview page by bobdenotter · Pull Request #7853 · bolt/bolt · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://seclists.org/fulldisclosure/2020/Jul/4","name":"20200703 Bolt CMS <= 3.7.0 Multiple Vulnerabilities - CSRF to RCE","refsource":"FULLDISC","tags":[],"title":"Full Disclosure: Bolt CMS <= 3.7.0 Multiple Vulnerabilities - CSRF to RCE","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://github.com/bolt/bolt/security/advisories/GHSA-2q66-6cc3-6xm8","name":"https://github.com/bolt/bolt/security/advisories/GHSA-2q66-6cc3-6xm8","refsource":"CONFIRM","tags":["Patch","Third Party Advisory"],"title":"CSRF issue on preview pages · Advisory · bolt/bolt · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://github.com/bolt/bolt/commit/b42cbfcf3e3108c46a80581216ba03ef449e419f","name":"https://github.com/bolt/bolt/commit/b42cbfcf3e3108c46a80581216ba03ef449e419f","refsource":"MISC","tags":["Patch","Third Party Advisory"],"title":"Merge pull request #7853 from bolt/fix/csrf-check-on-preview · bolt/bolt@b42cbfc · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://packetstormsecurity.com/files/158299/Bolt-CMS-3.7.0-XSS-CSRF-Shell-Upload.html","name":"http://packetstormsecurity.com/files/158299/Bolt-CMS-3.7.0-XSS-CSRF-Shell-Upload.html","refsource":"MISC","tags":[],"title":"Bolt CMS 3.7.0 XSS / CSRF / Shell Upload ≈ Packet Storm","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-4040","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-4040","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2020","cve_id":"4040","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"boltcms","cpe5":"bolt","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"4040","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"boltcms","cpe5":"bolt","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2020-4040","qid":"905686","title":"Common Base Linux Mariner (CBL-Mariner) Security Update for bolt (13763)"}]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"security-advisories@github.com","ID":"CVE-2020-4040","STATE":"PUBLIC","TITLE":"CSRF issue on preview pages in Bolt CMS"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"bolt","version":{"version_data":[{"version_value":"< 3.7.1"}]}}]},"vendor_name":"bolt"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Bolt CMS before version 3.7.1 lacked CSRF protection in the preview generating endpoint. Previews are intended to be generated by the admins, developers, chief-editors, and editors, who are authorized to create content in the application. But due to lack of proper CSRF protection, unauthorized users could generate a preview. This has been fixed in Bolt 3.7.1"}]},"impact":{"cvss":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.6,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-352: Cross-Site Request Forgery (CSRF)"}]}]},"references":{"reference_data":[{"name":"https://github.com/bolt/bolt/security/advisories/GHSA-2q66-6cc3-6xm8","refsource":"CONFIRM","url":"https://github.com/bolt/bolt/security/advisories/GHSA-2q66-6cc3-6xm8"},{"name":"https://github.com/bolt/bolt/pull/7853","refsource":"MISC","url":"https://github.com/bolt/bolt/pull/7853"},{"name":"https://github.com/bolt/bolt/commit/b42cbfcf3e3108c46a80581216ba03ef449e419f","refsource":"MISC","url":"https://github.com/bolt/bolt/commit/b42cbfcf3e3108c46a80581216ba03ef449e419f"},{"refsource":"MISC","name":"http://packetstormsecurity.com/files/158299/Bolt-CMS-3.7.0-XSS-CSRF-Shell-Upload.html","url":"http://packetstormsecurity.com/files/158299/Bolt-CMS-3.7.0-XSS-CSRF-Shell-Upload.html"},{"refsource":"FULLDISC","name":"20200703 Bolt CMS <= 3.7.0 Multiple Vulnerabilities - CSRF to RCE","url":"http://seclists.org/fulldisclosure/2020/Jul/4"}]},"source":{"advisory":"GHSA-2q66-6cc3-6xm8","discovery":"UNKNOWN"}},"nvd":{"publishedDate":"2020-06-08 22:15:00","lastModifiedDate":"2022-10-07 01:25:00","problem_types":["CWE-352"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE","baseScore":4.3,"baseSeverity":"MEDIUM"},"exploitabilityScore":2.8,"impactScore":1.4},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:N/I:P/A:N","accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"PARTIAL","availabilityImpact":"NONE","baseScore":4.3},"severity":"MEDIUM","exploitabilityScore":8.6,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":true}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:boltcms:bolt:*:*:*:*:*:*:*:*","versionEndExcluding":"3.7.1","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2020","CveId":"4040","Ordinal":"164033","Title":"CVE-2020-4040","CVE":"CVE-2020-4040","Year":"2020"},"notes":[{"CveYear":"2020","CveId":"4040","Ordinal":"1","NoteData":"Bolt CMS before version 3.7.1 lacked CSRF protection in the preview generating endpoint. Previews are intended to be generated by the admins, developers, chief-editors, and editors, who are authorized to create content in the application. But due to lack of proper CSRF protection, unauthorized users could generate a preview. This has been fixed in Bolt 3.7.1","Type":"Description","Title":null},{"CveYear":"2020","CveId":"4040","Ordinal":"2","NoteData":"2020-06-08","Type":"Other","Title":"Published"},{"CveYear":"2020","CveId":"4040","Ordinal":"3","NoteData":"2020-07-03","Type":"Other","Title":"Modified"}]}}}