{"cve":"CVE-2011-4303","nvd":{"published":"2012-07-11T10:26:10.957","modified":"2026-06-16T23:34:44.097","status":"Modified","description":"lib/db/upgrade.php in Moodle 2.0.x before 2.0.5 and 2.1.x before 2.1.2 does not set the correct registration_hubs.secret value during installation, which allows remote attackers to bypass intended access restrictions by leveraging the hubs feature.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-310"],"references":["http://git.moodle.org/gw?p=moodle.git%3Ba=commit%3Bh=ca896fdfcfcc87846fa91a297d0aa6999a68c48a","http://moodle.org/mod/forum/discuss.php?d=188315","https://bugzilla.redhat.com/show_bug.cgi?id=747444","http://git.moodle.org/gw?p=moodle.git%3Ba=commit%3Bh=ca896fdfcfcc87846fa91a297d0aa6999a68c48a","http://moodle.org/mod/forum/discuss.php?d=188315"],"products":["moodle:moodle"],"source":"nvd","synced_at":"2026-10-19T20:24:00.973572543+00:00"},"epss":{"cve":"CVE-2011-4303","score":0.01248,"percentile":0.69364,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}