{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-67853","assignerOrgId":"92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5","state":"PUBLISHED","assignerShortName":"fedora","dateReserved":"2025-12-12T13:00:24.330Z","datePublished":"2026-02-03T10:52:12.755Z","dateUpdated":"2026-02-03T15:43:49.951Z"},"containers":{"cna":{"title":"Moodle: moodle: brute-force facilitation due to missing rate limiting in confirmation email service","metrics":[{"other":{"content":{"value":"Important","namespace":"https://access.redhat.com/security/updates/classification/"},"type":"Red Hat severity rating"}},{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"format":"CVSS"}],"descriptions":[{"lang":"en","value":"A flaw was found in Moodle. A remote attacker could exploit a lack of proper rate limiting in the confirmation email service. This vulnerability allows attackers to more easily enumerate or guess user credentials, facilitating brute-force attacks against user accounts."}],"affected":[{"versions":[{"status":"affected","version":"4.1.0","lessThan":"4.1.22","versionType":"semver"},{"status":"affected","version":"4.4.0","lessThan":"4.4.12","versionType":"semver"},{"status":"affected","version":"4.5.0","lessThan":"4.5.8","versionType":"semver"},{"status":"affected","version":"5.0.0","lessThan":"5.0.4","versionType":"semver"},{"status":"affected","version":"5.1.0","lessThan":"5.1.1","versionType":"semver"}],"packageName":"moodle","collectionURL":"https://github.com/moodle/moodle/","defaultStatus":"unaffected"}],"references":[{"url":"https://access.redhat.com/security/cve/CVE-2025-67853","tags":["vdb-entry","x_refsource_REDHAT"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2423847","name":"RHBZ#2423847","tags":["issue-tracking","x_refsource_REDHAT"]}],"datePublic":"2025-12-15T04:00:00.000Z","problemTypes":[{"descriptions":[{"cweId":"CWE-307","description":"Improper Restriction of Excessive Authentication Attempts","lang":"en","type":"CWE"}]}],"x_redhatCweChain":"CWE-307: Improper Restriction of Excessive Authentication Attempts","timeline":[{"lang":"en","time":"2025-12-19T12:15:54.071Z","value":"Reported to Red Hat."},{"lang":"en","time":"2025-12-15T04:00:00.000Z","value":"Made public."}],"credits":[{"lang":"en","value":"Red Hat would like to thank Petr Skoda for reporting this issue."}],"providerMetadata":{"orgId":"92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5","shortName":"fedora","dateUpdated":"2026-02-03T10:52:12.755Z"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-02-03T15:43:42.458056Z","id":"CVE-2025-67853","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-02-03T15:43:49.951Z"}}]}}