{"id":"GHSA-vm9c-39jx-q45w","aliases":["CVE-2013-4522"],"title":"Moodle vulnerable to Exposure of Sensitive Information to an Unauthorized Actor","description":"lib/filelib.php in Moodle through 2.2.11, 2.3.x before 2.3.10, 2.4.x before 2.4.7, and 2.5.x before 2.5.3 does not send \"Cache-Control: private\" HTTP headers, which allows remote attackers to obtain sensitive information by requesting a file that had been previously retrieved by a caching proxy server.","severity":"medium","score":6.9,"published":"2022-05-13T01:12:54.000Z","modified":"2025-05-08T18:27:29.561Z","withdrawn":false,"knownExploited":false,"affected":[{"ecosystem":"Packagist","name":"moodle/moodle","ranges":[{"events":[{"introduced":"0"},{"fixed":"2.3.10"}],"type":"ECOSYSTEM"}],"versions":["v2.3.4","v2.3.5","v2.3.6","v2.3.7","v2.3.8","v2.3.9"],"fixed":["2.3.10"]},{"ecosystem":"Packagist","name":"moodle/moodle","ranges":[{"events":[{"introduced":"2.4.0-beta"},{"fixed":"2.4.7"}],"type":"ECOSYSTEM"}],"versions":["v2.4.0","v2.4.0-rc1","v2.4.1","v2.4.2","v2.4.3","v2.4.4","v2.4.5","v2.4.6"],"fixed":["2.4.7"]},{"ecosystem":"Packagist","name":"moodle/moodle","ranges":[{"events":[{"introduced":"2.5.0-beta"},{"fixed":"2.5.3"}],"type":"ECOSYSTEM"}],"versions":["v2.5.0","v2.5.0-beta","v2.5.0-rc1","v2.5.1","v2.5.2"],"fixed":["2.5.3"]}],"references":["https://nvd.nist.gov/vuln/detail/CVE-2013-4522","https://github.com/moodle/moodle/commit/d0041fb110201d3dc1a4546eca8b6108b440d1c5","https://github.com/moodle/moodle","https://moodle.org/mod/forum/discuss.php?d=244479","http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-38743","http://openwall.com/lists/oss-security/2013/11/25/1"],"sources":[{"name":"OSV","id":"GHSA-vm9c-39jx-q45w","modified":"2025-05-08T18:27:29.561311Z","url":"https://osv.dev/vulnerability/GHSA-vm9c-39jx-q45w"}],"assessments":[{"source":"OSV","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","score":6.9}]}