{"schemaVersion":3,"id":"CVE-2013-4313","aliases":["UBUNTU-CVE-2013-4313"],"status":"published","duplicateOf":null,"title":null,"description":"Moodle through 2.2.11, 2.3.x before 2.3.9, 2.4.x before 2.4.6, and 2.5.x before 2.5.2 does not prevent use of '\\0' characters in query strings, which might allow remote attackers to conduct SQL injection attacks against Microsoft SQL Server via a crafted string.","dates":{"published":"2013-09-16T10:00:00.000Z","modified":"2024-09-17T03:14:06.533Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.5,"severity":"high","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","computed":false,"selection":"backend-summary"},"metrics":[{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":7.5,"severity":"high","vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.01206,"percentile":0.67912,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.01206},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.01206,"percentile":0.67912}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01206,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.01206,"percentile":0.67912}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-89","name":"Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')","description":"The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. Without sufficient removal or quoting of SQL syntax in user-controllable inputs, the generated SQL query can cause those inputs to be interpreted as SQL instead of ordinary user data.","type":"weakness","status":"Stable","abstraction":"Base","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/89.html"}],"affected":[{"vendor":"ubuntu","product":"moodle","name":"moodle","label":"moodle","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/moodle","purlType":"deb","versions":[{"text":"< 2.5.4-1ubuntu1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.5.4-1ubuntu1","eol":null,"hubHref":null},{"vendor":"moodle","product":"moodle","name":"moodle","label":"moodle","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≤ 2.2.11","noFixRecorded":false,"fixedIn":null},{"text":"2.2.0","noFixRecorded":false,"fixedIn":null},{"text":"2.2.1","noFixRecorded":false,"fixedIn":null},{"text":"2.2.2","noFixRecorded":false,"fixedIn":null},{"text":"2.2.3","noFixRecorded":false,"fixedIn":null},{"text":"2.2.4","noFixRecorded":false,"fixedIn":null},{"text":"2.2.5","noFixRecorded":false,"fixedIn":null},{"text":"2.2.6","noFixRecorded":false,"fixedIn":null},{"text":"2.2.7","noFixRecorded":false,"fixedIn":null},{"text":"2.2.8","noFixRecorded":false,"fixedIn":null},{"text":"2.2.9","noFixRecorded":false,"fixedIn":null},{"text":"2.2.10","noFixRecorded":false,"fixedIn":null},{"text":"2.3.0","noFixRecorded":false,"fixedIn":null},{"text":"2.3.1","noFixRecorded":false,"fixedIn":null},{"text":"2.3.2","noFixRecorded":false,"fixedIn":null},{"text":"2.3.3","noFixRecorded":false,"fixedIn":null},{"text":"2.3.4","noFixRecorded":false,"fixedIn":null},{"text":"2.3.5","noFixRecorded":false,"fixedIn":null},{"text":"2.3.6","noFixRecorded":false,"fixedIn":null},{"text":"2.3.7","noFixRecorded":false,"fixedIn":null},{"text":"2.3.8","noFixRecorded":false,"fixedIn":null},{"text":"2.4.0","noFixRecorded":false,"fixedIn":null},{"text":"2.4.1","noFixRecorded":false,"fixedIn":null},{"text":"2.4.2","noFixRecorded":false,"fixedIn":null},{"text":"2.4.3","noFixRecorded":false,"fixedIn":null},{"text":"2.4.4","noFixRecorded":false,"fixedIn":null},{"text":"2.4.5","noFixRecorded":false,"fixedIn":null},{"text":"2.5.0","noFixRecorded":false,"fixedIn":null},{"text":"2.5.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 2.2.11 | 2.2.0 | 2.2.1 | 2.2.2 | 2.2.3 | 2.2.4 | 2.2.5 | 2.2.6 | 2.2.7 | 2.2.8 | 2.2.9 | 2.2.10 | 2.3.0 | 2.3.1 | 2.3.2 | 2.3.3 | 2.3.4 | 2.3.5 | 2.3.6 | 2.3.7 | 2.3.8 | 2.4.0 | 2.4.1 | 2.4.2 | 2.4.3 | 2.4.4 | 2.4.5 | 2.5.0 | 2.5.1","eol":{"isEol":null,"eolDate":null,"matchMethod":"cpe","cycle":null,"product":{"name":"moodle","label":"Moodle","category":"server-app"}},"hubHref":"/vendor/moodle/moodle"}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-40676","label":"git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-40676","hostname":"git.moodle.org","tags":["X Refsource CONFIRM","Patch","REPORT"]},{"url":"https://moodle.org/mod/forum/discuss.php?d=238396","label":"moodle.org/mod/forum/discuss.php?d=238396","hostname":"moodle.org","tags":["X Refsource CONFIRM","Patch","Vendor Advisory","REPORT"]},{"url":"https://ubuntu.com/security/CVE-2013-4313","label":"ubuntu.com/security/CVE-2013-4313","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2013-4313","label":"www.cve.org/CVERecord?id=CVE-2013-4313","hostname":"www.cve.org","tags":["REPORT"]}],"lineage":{"upstream":[],"downstream":["MGASA-2013-0280"],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2013-09-16T10:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-09-17T03:14:06.533Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":30,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T07:07:49.426Z","stale":false,"partial":false}}