{"id":"CVE-2012-3398","aliases":["EUVD-2012-3369","GHSA-2887-hwqc-wcg8","UBUNTU-CVE-2012-3398"],"status":"published","title":"Algorithmic complexity vulnerability in Moodle 1.9.x before 1.9.19, 2.0.x before 2.0.10, 2.1.x...","description":"Algorithmic complexity vulnerability in Moodle 1.9.x before 1.9.19, 2.0.x before 2.0.10, 2.1.x before 2.1.7, and 2.2.x before 2.2.4 allows remote authenticated users to cause a denial of service (CPU consumption) by using the advanced-search feature on a database activity that has many records.","severity":{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01275,"percentile":0.70105,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2012-07-23T21:00:00Z","modified":"2026-06-16T23:43:08Z","products":[{"vendor":"moodle","product":"moodle"}],"references":[{"url":"http://git.moodle.org/gw?p=moodle.git\u0026a=search\u0026h=refs%2Fheads%2FMOODLE_22_STABLE\u0026st=commit\u0026s=MDL-32126","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/76964","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://secunia.com/advisories/49890","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://openwall.com/lists/oss-security/2012/07/17/1","tags":["mailing-list","x_refsource_MLIST","x_transferred","report"]},{"url":"http://www.securityfocus.com/bid/54481","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-3398"},{"url":"https://github.com/advisories/GHSA-2887-hwqc-wcg8"},{"url":"https://ubuntu.com/security/CVE-2012-3398","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2012-3398","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2012-3398","description":"Algorithmic complexity vulnerability in Moodle 1.9.x before 1.9.19, 2.0.x before 2.0.10, 2.1.x before 2.1.7, and 2.2.x before 2.2.4 allows remote authenticated users to cause a denial of service (CPU consumption) by using the advanced-search feature on a database activity that has many records.","status":"published","published":"2012-07-23T21:00:00Z","modified":"2024-08-06T20:05:12.477Z","updated_at":"2026-11-02T14:34:50.94153Z"}],"euvd":[{"id":"EUVD-2012-3369","description":"Algorithmic complexity vulnerability in Moodle 1.9.x before 1.9.19, 2.0.x before 2.0.10, 2.1.x before 2.1.7, and 2.2.x before 2.2.4 allows remote authenticated users to cause a denial of service (CPU consumption) by using the advanced-search feature on a database activity that has many records.","status":"published","published":"2012-07-23T21:00:00Z","modified":"2024-08-06T20:05:12Z","updated_at":"2026-11-03T01:56:11.327216Z"}],"ghsa":[{"id":"GHSA-2887-hwqc-wcg8","title":"Algorithmic complexity vulnerability in Moodle 1.9.x before 1.9.19, 2.0.x before 2.0.10, 2.1.x...","description":"Algorithmic complexity vulnerability in Moodle 1.9.x before 1.9.19, 2.0.x before 2.0.10, 2.1.x before 2.1.7, and 2.2.x before 2.2.4 allows remote authenticated users to cause a denial of service (CPU consumption) by using the advanced-search feature on a database activity that has many records.","status":"published","published":"2022-05-13T01:13:07Z","modified":"2023-02-01T05:03:54Z","updated_at":"2026-11-02T14:50:06.799159Z"}],"nvd":[{"id":"CVE-2012-3398","description":"Algorithmic complexity vulnerability in Moodle 1.9.x before 1.9.19, 2.0.x before 2.0.10, 2.1.x before 2.1.7, and 2.2.x before 2.2.4 allows remote authenticated users to cause a denial of service (CPU consumption) by using the advanced-search feature on a database activity that has many records.","status":"published","published":"2012-07-23T21:55:05.03Z","modified":"2026-06-16T23:43:08.617Z","cvss":[{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:02:14.774945Z"}],"osv":[{"id":"UBUNTU-CVE-2012-3398","description":"Algorithmic complexity vulnerability in Moodle 1.9.x before 1.9.19, 2.0.x before 2.0.10, 2.1.x before 2.1.7, and 2.2.x before 2.2.4 allows remote authenticated users to cause a denial of service (CPU consumption) by using the advanced-search feature on a database activity that has many records.","status":"withdrawn","published":"2012-07-23T21:55:00Z","modified":"2025-07-16T07:30:56.722964Z","updated_at":"2026-11-02T15:54:06.395274Z"}]}}