{"cve":"CVE-2011-4590","nvd":{"published":"2012-07-20T10:40:36.127","modified":"2026-06-16T23:35:06.140","status":"Modified","description":"The web services implementation in Moodle 2.0.x before 2.0.6 and 2.1.x before 2.1.3 does not properly consider the maintenance-mode state and account attributes during login attempts, which allows remote authenticated users to bypass intended access restrictions by connecting to a webservice server.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-287"],"references":["http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-28629","http://moodle.org/mod/forum/discuss.php?d=191759","https://bugzilla.redhat.com/show_bug.cgi?id=761248","http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-28629","http://moodle.org/mod/forum/discuss.php?d=191759"],"products":["moodle:moodle"],"source":"nvd","synced_at":"2026-10-19T20:24:00.973572543+00:00"},"epss":{"cve":"CVE-2011-4590","score":0.0117,"percentile":0.67418,"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."]}