{"id":"CVE-2011-4302","aliases":["DSA-2338-1","EUVD-2011-4237","GHSA-hp4v-c3h7-rwmx"],"status":"published","title":"mnet/xmlrpc/client.php in MNET in Moodle 1.9.x before 1.9.14, 2.0.x before 2.0.5, and 2.1.x...","description":"mnet/xmlrpc/client.php in MNET in Moodle 1.9.x before 1.9.14, 2.0.x before 2.0.5, and 2.1.x before 2.1.2 does not properly process the return value of the openssl_verify function, which allows remote attackers to bypass validation via a crafted certificate.","severity":{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.01284,"percentile":0.70275,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2011-11-07T00:00:00Z","modified":"2026-06-16T23:34:43Z","affected":[{"source":"osv","ecosystem":"Debian:6.0","package":"moodle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.9.dfsg2-2.1+squeeze2"}]}],"versions":["1.9.9.dfsg2-2.1","1.9.9.dfsg2-2.1+squeeze1"],"bundled":5}],"products":[{"vendor":"moodle","product":"moodle"}],"references":[{"url":"http://moodle.org/mod/forum/discuss.php?d=188314","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://git.moodle.org/gw?p=moodle.git%3Ba=commit%3Bh=54941685e3e86ec085641dcb7ebb1f96f06735b2","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=747444","tags":["x_refsource_CONFIRM","x_transferred","Patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-4302"},{"url":"http://git.moodle.org/gw?p=moodle.git;a=commit;h=54941685e3e86ec085641dcb7ebb1f96f06735b2"},{"url":"https://github.com/advisories/GHSA-hp4v-c3h7-rwmx"}],"sources":{"cve":[{"id":"CVE-2011-4302","description":"mnet/xmlrpc/client.php in MNET in Moodle 1.9.x before 1.9.14, 2.0.x before 2.0.5, and 2.1.x before 2.1.2 does not properly process the return value of the openssl_verify function, which allows remote attackers to bypass validation via a crafted certificate.","status":"published","published":"2012-07-11T10:00:00Z","modified":"2024-08-07T00:01:51.579Z","updated_at":"2026-11-02T14:35:37.989579Z"}],"euvd":[{"id":"EUVD-2011-4237","description":"mnet/xmlrpc/client.php in MNET in Moodle 1.9.x before 1.9.14, 2.0.x before 2.0.5, and 2.1.x before 2.1.2 does not properly process the return value of the openssl_verify function, which allows remote attackers to bypass validation via a crafted certificate.","status":"published","published":"2012-07-11T10:00:00Z","modified":"2024-08-07T00:01:51Z","updated_at":"2026-11-03T01:39:49.441333Z"}],"ghsa":[{"id":"GHSA-hp4v-c3h7-rwmx","title":"mnet/xmlrpc/client.php in MNET in Moodle 1.9.x before 1.9.14, 2.0.x before 2.0.5, and 2.1.x...","description":"mnet/xmlrpc/client.php in MNET in Moodle 1.9.x before 1.9.14, 2.0.x before 2.0.5, and 2.1.x before 2.1.2 does not properly process the return value of the openssl_verify function, which allows remote attackers to bypass validation via a crafted certificate.","status":"published","published":"2022-05-13T01:13:10Z","modified":"2023-02-13T03:30:57Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:54:05.992759Z"}],"nvd":[{"id":"CVE-2011-4302","description":"mnet/xmlrpc/client.php in MNET in Moodle 1.9.x before 1.9.14, 2.0.x before 2.0.5, and 2.1.x before 2.1.2 does not properly process the return value of the openssl_verify function, which allows remote attackers to bypass validation via a crafted certificate.","status":"published","published":"2012-07-11T10:26:10.907Z","modified":"2026-06-16T23:34:43.993Z","cvss":[{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:02:12.272092Z"}],"osv":[{"id":"DSA-2338-1","title":"moodle - several","status":"published","published":"2011-11-07T00:00:00Z","modified":"2026-03-09T01:22:18.007046Z","updated_at":"2026-11-02T15:46:15.108335Z"}]}}