{"id":"CVE-2013-1834","aliases":["EUVD-2022-4822","GHSA-prrh-679x-79qh","UBUNTU-CVE-2013-1834"],"status":"published","title":"Moodle allows remote authenticated users to reassign notes","description":"notes/edit.php in Moodle 1.9.x through 1.9.19, 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 users to reassign notes via a modified (1) userid or (2) courseid field.","severity":{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:P/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01664,"percentile":0.76883,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-264","CWE-284"],"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":"1.9.0"},{"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":"1.9.0"},{"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":"https://moodle.org/mod/forum/discuss.php?d=225346","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","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-37411","tags":["x_refsource_CONFIRM","x_transferred","Patch","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-1834","tags":["advisory"]},{"url":"https://github.com/moodle/moodle/commit/1b628c489def6e7394821f53a838591aa392e332","tags":["web"]},{"url":"https://github.com/moodle/moodle/commit/646059869e36ea1db844ee0884fb50020348dab1","tags":["web"]},{"url":"https://github.com/moodle/moodle/commit/6a9235c998dab2ec0ddc49898a59dd5089156cb0","tags":["web"]},{"url":"https://github.com/moodle/moodle/commit/a28da5d9b8221e53d3a0815fd0a1dc27bd48816b","tags":["web"]},{"url":"https://github.com/moodle/moodle/commit/bc144ebbe0a78a1ac854454246f26472ba0748b7","tags":["web"]},{"url":"https://github.com/moodle/moodle/commit/e13f286026056febba20e931d71134a2d145a091","tags":["web"]},{"url":"https://github.com/moodle/moodle/commit/ebfdc35f2a33f14051e22af5410485fe6f1afc92","tags":["web"]},{"url":"https://github.com/advisories/GHSA-prrh-679x-79qh"},{"url":"https://github.com/moodle/moodle","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2013-1834","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2013-1834","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2013-1834","description":"notes/edit.php 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2.4.x before 2.4.2 allows remote authenticated users to reassign notes via a modified (1) userid or (2) courseid field.","status":"published","published":"2022-05-13T01:12:58Z","modified":"2024-01-22T17:08:54Z","cwes":["CWE-284"],"updated_at":"2026-11-02T14:37:31.550603Z"}],"nvd":[{"id":"CVE-2013-1834","description":"notes/edit.php in Moodle 1.9.x through 1.9.19, 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 users to reassign notes via a modified (1) userid or (2) courseid field.","status":"published","published":"2013-03-25T21:55:04.433Z","modified":"2026-06-16T23:52:12.563Z","cvss":[{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-264"],"updated_at":"2026-11-02T14:02:24.091325Z"}],"osv":[{"id":"GHSA-prrh-679x-79qh","title":"Moodle allows remote authenticated users to reassign notes","description":"notes/edit.php in Moodle 1.9.x through 1.9.19, 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 users to reassign notes via a modified (1) userid or (2) courseid field.","status":"published","published":"2022-05-13T01:12:58Z","modified":"2024-12-05T05:25:19.146395Z","cwes":["CWE-284"],"updated_at":"2026-11-02T15:46:53.700556Z"},{"id":"UBUNTU-CVE-2013-1834","description":"notes/edit.php in Moodle 1.9.x through 1.9.19, 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 users to reassign notes via a modified (1) userid or (2) courseid field.","status":"published","published":"2013-03-11T04:00:00Z","modified":"2026-09-23T18:45:33.867591341Z","updated_at":"2026-11-02T15:54:06.854805Z"}]}}