{"id":"CVE-2011-4588","aliases":["DSA-2421-1","EUVD-2011-4513","GHSA-c2gc-3pq9-wq9x"],"status":"published","title":"The ip_in_range function in mnet/lib.php in MNET in Moodle 1.9.x before 1.9.15 uses an incorrect...","description":"The ip_in_range function in mnet/lib.php in MNET in Moodle 1.9.x before 1.9.15 uses an incorrect data type, which allows remote attackers to bypass intended IP address restrictions via an XMLRPC request.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02149,"percentile":0.82241,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-264"],"published":"2012-02-29T00:00:00Z","modified":"2026-06-16T23:35:05Z","affected":[{"source":"osv","ecosystem":"Debian:6.0","package":"moodle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.9.dfsg2-2.1+squeeze3"}]}],"versions":["1.9.9.dfsg2-2.1","1.9.9.dfsg2-2.1+squeeze1","1.9.9.dfsg2-2.1+squeeze2"],"bundled":11}],"products":[{"vendor":"moodle","product":"moodle"}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=761248","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.debian.org/security/2012/dsa-2421","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred"]},{"url":"http://moodle.org/mod/forum/discuss.php?d=191756","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://git.moodle.org/gw?p=moodle.git%3Ba=commit%3Bh=3ab2851d2a59721445945d0706c58092e07e861e","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-4588"},{"url":"http://git.moodle.org/gw?p=moodle.git;a=commit;h=3ab2851d2a59721445945d0706c58092e07e861e"},{"url":"https://github.com/advisories/GHSA-c2gc-3pq9-wq9x"}],"sources":{"cve":[{"id":"CVE-2011-4588","description":"The ip_in_range function in mnet/lib.php in MNET in Moodle 1.9.x before 1.9.15 uses an incorrect data type, which allows remote attackers to bypass intended IP address restrictions via an XMLRPC request.","status":"published","published":"2012-07-20T10:00:00Z","modified":"2024-08-07T00:09:19.405Z","updated_at":"2026-11-02T14:35:37.989579Z"}],"euvd":[{"id":"EUVD-2011-4513","description":"The ip_in_range function in mnet/lib.php in MNET in Moodle 1.9.x before 1.9.15 uses an incorrect data type, which allows remote attackers to bypass intended IP address restrictions via an XMLRPC request.","status":"published","published":"2012-07-20T10:00:00Z","modified":"2024-08-07T00:09:19Z","updated_at":"2026-11-03T01:39:48.540824Z"}],"ghsa":[{"id":"GHSA-c2gc-3pq9-wq9x","title":"The ip_in_range function in mnet/lib.php in MNET in Moodle 1.9.x before 1.9.15 uses an incorrect...","description":"The ip_in_range function in mnet/lib.php in MNET in Moodle 1.9.x before 1.9.15 uses an incorrect data type, which allows remote attackers to bypass intended IP address restrictions via an XMLRPC request.","status":"published","published":"2022-05-13T01:13:13Z","modified":"2023-02-13T03:30:23Z","updated_at":"2026-11-02T14:54:05.462623Z"}],"nvd":[{"id":"CVE-2011-4588","description":"The ip_in_range function in mnet/lib.php in MNET in Moodle 1.9.x before 1.9.15 uses an incorrect data type, which allows remote attackers to bypass intended IP address restrictions via an XMLRPC request.","status":"published","published":"2012-07-20T10:40:36.033Z","modified":"2026-06-16T23:35:05.933Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-264"],"updated_at":"2026-11-02T14:02:12.272092Z"}],"osv":[{"id":"DSA-2421-1","title":"moodle - several","status":"published","published":"2012-02-29T00:00:00Z","modified":"2026-03-09T01:18:58.815903Z","updated_at":"2026-11-02T15:46:15.489951Z"}]}}