{"id":"CVE-2013-1835","aliases":["EUVD-2022-3557","GHSA-cc94-hwj3-rf65","UBUNTU-CVE-2013-1835"],"status":"published","title":"Moodle's login_as feature leaks information from external repositories","description":"Moodle 2.x through 2.1.10, 2.2.x before 2.2.8, 2.3.x before 2.3.5, and 2.4.x before 2.4.2 allows remote authenticated administrators to obtain sensitive information from the external repositories of arbitrary users by leveraging the login_as feature.","severity":{"version":"2.0","score":3.5,"vector":"AV:N/AC:M/Au:S/C:P/I:N/A:N","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.0171,"percentile":0.77516,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-200"],"published":"2013-03-11T04:00:00Z","modified":"2026-09-23T18:45:33Z","fixes":[{"ecosystem":"Packagist","package":"moodle/moodle","fixed_in":["2.2.8","2.3.5","2.4.2"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"moodle/moodle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.0.0"},{"fixed":"2.2.8"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"moodle/moodle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.3.0"},{"fixed":"2.3.5"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"moodle/moodle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.4.0"},{"fixed":"2.4.2"}]}]},{"source":"osv","ecosystem":"Packagist","package":"moodle/moodle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.0.0"},{"fixed":"2.2.8"}]}]},{"source":"osv","ecosystem":"Packagist","package":"moodle/moodle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.3.0"},{"fixed":"2.3.5"}]}],"versions":["v2.3.4"]},{"source":"osv","ecosystem":"Packagist","package":"moodle/moodle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.4.0"},{"fixed":"2.4.2"}]}],"versions":["v2.4.0","v2.4.1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"moodle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.7.9+dfsg-1","2.7.10+dfsg-1","2.7.11+dfsg-1","2.7.11+dfsg-2","2.7.12+dfsg-1","3.0.3+dfsg-0ubuntu1","3.0.3+dfsg-0ubuntu1+esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"moodle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.3+dfsg-0ubuntu1","3.0.3+dfsg-0ubuntu1+esm1"]}],"products":[{"vendor":"moodle","product":"moodle"}],"references":[{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101358.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101310.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"http://openwall.com/lists/oss-security/2013/03/25/2","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://git.moodle.org/gw?p=moodle.git\u0026a=search\u0026h=HEAD\u0026st=commit\u0026s=MDL-36426","tags":["x_refsource_CONFIRM","x_transferred","Patch","web"]},{"url":"https://moodle.org/mod/forum/discuss.php?d=225347","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-1835","tags":["advisory"]},{"url":"https://github.com/moodle/moodle/commit/31581ae65df05ea64031ac24c8b8f817414f1379","tags":["web"]},{"url":"https://github.com/moodle/moodle/commit/6153c8040dd6ecdf03070ad6b538845c263bf722","tags":["web"]},{"url":"https://github.com/moodle/moodle/commit/ded4050f1bb050770df3bc8e78dcfadf815011ea","tags":["web"]},{"url":"https://github.com/advisories/GHSA-cc94-hwj3-rf65"},{"url":"https://github.com/moodle/moodle","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2013-1835","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2013-1835","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2013-1835","description":"Moodle 2.x through 2.1.10, 2.2.x before 2.2.8, 2.3.x before 2.3.5, and 2.4.x before 2.4.2 allows remote authenticated administrators to obtain sensitive information from the external repositories of arbitrary users by leveraging the login_as feature.","status":"published","published":"2013-03-25T21:00:00Z","modified":"2024-08-06T15:13:33.025Z","updated_at":"2026-11-02T14:34:58.534075Z"}],"euvd":[{"id":"EUVD-2022-3557","description":"Moodle 2.x through 2.1.10, 2.2.x before 2.2.8, 2.3.x before 2.3.5, and 2.4.x before 2.4.2 allows remote authenticated administrators to obtain sensitive information from the external repositories of arbitrary users by leveraging the login_as feature.","status":"published","published":"2013-03-25T21:00:00Z","modified":"2024-08-06T15:13:33Z","updated_at":"2026-11-03T01:56:40.540333Z"}],"ghsa":[{"id":"GHSA-cc94-hwj3-rf65","title":"Moodle's login_as feature leaks information from external repositories","description":"Moodle 2.x through 2.1.10, 2.2.x before 2.2.8, 2.3.x before 2.3.5, and 2.4.x before 2.4.2 allows remote authenticated administrators to obtain sensitive information from the external repositories of arbitrary users by leveraging the login_as feature.","status":"published","published":"2022-05-13T01:12:59Z","modified":"2024-01-23T14:37:25Z","cwes":["CWE-200"],"updated_at":"2026-11-02T14:37:31.550603Z"}],"nvd":[{"id":"CVE-2013-1835","description":"Moodle 2.x through 2.1.10, 2.2.x before 2.2.8, 2.3.x before 2.3.5, and 2.4.x before 2.4.2 allows remote authenticated administrators to obtain sensitive information from the external repositories of arbitrary users by leveraging the login_as feature.","status":"published","published":"2013-03-25T21:55:04.453Z","modified":"2026-06-16T23:52:12.68Z","cvss":[{"version":"2.0","score":3.5,"vector":"AV:N/AC:M/Au:S/C:P/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:02:24.091325Z"}],"osv":[{"id":"GHSA-cc94-hwj3-rf65","title":"Moodle's login_as feature leaks information from external repositories","description":"Moodle 2.x through 2.1.10, 2.2.x before 2.2.8, 2.3.x before 2.3.5, and 2.4.x before 2.4.2 allows remote authenticated administrators to obtain sensitive information from the external repositories of arbitrary users by leveraging the login_as feature.","status":"published","published":"2022-05-13T01:12:59Z","modified":"2024-12-06T05:38:11.994975Z","cwes":["CWE-200"],"updated_at":"2026-11-02T15:46:44.927642Z"},{"id":"UBUNTU-CVE-2013-1835","description":"Moodle 2.x through 2.1.10, 2.2.x before 2.2.8, 2.3.x before 2.3.5, and 2.4.x before 2.4.2 allows remote authenticated administrators to obtain sensitive information from the external repositories of arbitrary users by leveraging the login_as feature.","status":"published","published":"2013-03-11T04:00:00Z","modified":"2026-09-23T18:45:33.869701909Z","updated_at":"2026-11-02T15:54:06.854805Z"}]}}