{"schemaVersion":3,"id":"CVE-2012-1123","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"The mci_check_login function in api/soap/mc_api.php in the SOAP API in MantisBT before 1.2.9 allows remote attackers to bypass authentication via a null password.","dates":{"published":"2012-06-29T19:00:00.000Z","modified":"2024-08-06T18:45:27.269Z","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":0.03727,"percentile":0.89695,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.03727},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.03727,"percentile":0.89695}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.03727,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.03727,"percentile":0.89695}]},"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-287","name":"Improper Authentication","description":"When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.","type":"weakness","status":"Draft","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/287.html"}],"affected":[{"vendor":"mantisbt","product":"mantisbt","name":"mantisbt","label":"mantisbt","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≤ 1.2.8","noFixRecorded":false,"fixedIn":null},{"text":"0.18.0","noFixRecorded":false,"fixedIn":null},{"text":"0.19.0","noFixRecorded":false,"fixedIn":null},{"text":"0.19.0:a1","noFixRecorded":false,"fixedIn":null},{"text":"0.19.0:a2","noFixRecorded":false,"fixedIn":null},{"text":"0.19.0:rc1","noFixRecorded":false,"fixedIn":null},{"text":"0.19.1","noFixRecorded":false,"fixedIn":null},{"text":"0.19.2","noFixRecorded":false,"fixedIn":null},{"text":"0.19.3","noFixRecorded":false,"fixedIn":null},{"text":"0.19.4","noFixRecorded":false,"fixedIn":null},{"text":"0.19.5","noFixRecorded":false,"fixedIn":null},{"text":"1.0.0","noFixRecorded":false,"fixedIn":null},{"text":"1.0.0:a1","noFixRecorded":false,"fixedIn":null},{"text":"1.0.0:a2","noFixRecorded":false,"fixedIn":null},{"text":"1.0.0:a3","noFixRecorded":false,"fixedIn":null},{"text":"1.0.0:rc1","noFixRecorded":false,"fixedIn":null},{"text":"1.0.0:rc2","noFixRecorded":false,"fixedIn":null},{"text":"1.0.0:rc3","noFixRecorded":false,"fixedIn":null},{"text":"1.0.0:rc4","noFixRecorded":false,"fixedIn":null},{"text":"1.0.0:rc5","noFixRecorded":false,"fixedIn":null},{"text":"1.0.1","noFixRecorded":false,"fixedIn":null},{"text":"1.0.2","noFixRecorded":false,"fixedIn":null},{"text":"1.0.3","noFixRecorded":false,"fixedIn":null},{"text":"1.0.4","noFixRecorded":false,"fixedIn":null},{"text":"1.0.5","noFixRecorded":false,"fixedIn":null},{"text":"1.0.6","noFixRecorded":false,"fixedIn":null},{"text":"1.0.7","noFixRecorded":false,"fixedIn":null},{"text":"1.0.8","noFixRecorded":false,"fixedIn":null},{"text":"1.0.9","noFixRecorded":false,"fixedIn":null},{"text":"1.1.0","noFixRecorded":false,"fixedIn":null},{"text":"1.1.0:a1","noFixRecorded":false,"fixedIn":null},{"text":"1.1.0:a2","noFixRecorded":false,"fixedIn":null},{"text":"1.1.0:a3","noFixRecorded":false,"fixedIn":null},{"text":"1.1.0:a4","noFixRecorded":false,"fixedIn":null},{"text":"1.1.0:rc1","noFixRecorded":false,"fixedIn":null},{"text":"1.1.0:rc2","noFixRecorded":false,"fixedIn":null},{"text":"1.1.0:rc3","noFixRecorded":false,"fixedIn":null},{"text":"1.1.1","noFixRecorded":false,"fixedIn":null},{"text":"1.1.2","noFixRecorded":false,"fixedIn":null},{"text":"1.1.3","noFixRecorded":false,"fixedIn":null},{"text":"1.1.4","noFixRecorded":false,"fixedIn":null},{"text":"1.1.5","noFixRecorded":false,"fixedIn":null},{"text":"1.1.6","noFixRecorded":false,"fixedIn":null},{"text":"1.1.7","noFixRecorded":false,"fixedIn":null},{"text":"1.1.8","noFixRecorded":false,"fixedIn":null},{"text":"1.1.9","noFixRecorded":false,"fixedIn":null},{"text":"1.2.0","noFixRecorded":false,"fixedIn":null},{"text":"1.2.0:alpha1","noFixRecorded":false,"fixedIn":null},{"text":"1.2.0:alpha2","noFixRecorded":false,"fixedIn":null},{"text":"1.2.0:alpha3","noFixRecorded":false,"fixedIn":null},{"text":"1.2.0:rc1","noFixRecorded":false,"fixedIn":null},{"text":"1.2.0:rc2","noFixRecorded":false,"fixedIn":null},{"text":"1.2.1","noFixRecorded":false,"fixedIn":null},{"text":"1.2.2","noFixRecorded":false,"fixedIn":null},{"text":"1.2.3","noFixRecorded":false,"fixedIn":null},{"text":"1.2.4","noFixRecorded":false,"fixedIn":null},{"text":"1.2.5","noFixRecorded":false,"fixedIn":null},{"text":"1.2.6","noFixRecorded":false,"fixedIn":null},{"text":"1.2.7","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 1.2.8 | 0.18.0 | 0.19.0 | 0.19.0:a1 | 0.19.0:a2 | 0.19.0:rc1 | 0.19.1 | 0.19.2 | 0.19.3 | 0.19.4 | 0.19.5 | 1.0.0 | 1.0.0:a1 | 1.0.0:a2 | 1.0.0:a3 | 1.0.0:rc1 | 1.0.0:rc2 | 1.0.0:rc3 | 1.0.0:rc4 | 1.0.0:rc5 | 1.0.1 | 1.0.2 | 1.0.3 | 1.0.4 | 1.0.5 | 1.0.6 | 1.0.7 | 1.0.8 | 1.0.9 | 1.1.0 | 1.1.0:a1 | 1.1.0:a2 | 1.1.0:a3 | 1.1.0:a4 | 1.1.0:rc1 | 1.1.0:rc2 | 1.1.0:rc3 | 1.1.1 | 1.1.2 | 1.1.3 | 1.1.4 | 1.1.5 | 1.1.6 | 1.1.7 | 1.1.8 | 1.1.9 | 1.2.0 | 1.2.0:alpha1 | 1.2.0:alpha2 | 1.2.0:alpha3 | 1.2.0:rc1 | 1.2.0:rc2 | 1.2.1 | 1.2.2 | 1.2.3 | 1.2.4 | 1.2.5 | 1.2.6 | 1.2.7","eol":null,"hubHref":"/vendor/mantisbt/mantisbt"}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"http://www.securityfocus.com/bid/52313","label":"www.securityfocus.com/bid/52313","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2012-November/093063.html","label":"lists.fedoraproject.org/pipermail/package-announce/2012-November/093063.html","hostname":"lists.fedoraproject.org","tags":["Vendor Advisory","X Refsource FEDORA"]},{"url":"http://www.debian.org/security/2012/dsa-2500","label":"www.debian.org/security/2012/dsa-2500","hostname":"www.debian.org","tags":["Vendor Advisory","X Refsource DEBIAN"]},{"url":"https://github.com/mantisbt/mantisbt/commit/f5106be52cf6aa72c521f388e4abb5f0de1f1d7f","label":"github.com/mantisbt/mantisbt/commit/f5106be52cf6aa72c521f388e4abb5f0de1f1d7f","hostname":"github.com","tags":["X Refsource CONFIRM","Patch"]},{"url":"http://security.gentoo.org/glsa/glsa-201211-01.xml","label":"security.gentoo.org/glsa/glsa-201211-01.xml","hostname":"security.gentoo.org","tags":["Vendor Advisory","X Refsource GENTOO"]},{"url":"http://www.mantisbt.org/bugs/view.php?id=13901","label":"www.mantisbt.org/bugs/view.php?id=13901","hostname":"www.mantisbt.org","tags":["X Refsource CONFIRM","Patch"]},{"url":"http://www.mantisbt.org/bugs/changelog_page.php?version_id=140","label":"www.mantisbt.org/bugs/changelog_page.php?version_id=140","hostname":"www.mantisbt.org","tags":["X Refsource CONFIRM"]},{"url":"http://secunia.com/advisories/49572","label":"secunia.com/advisories/49572","hostname":"secunia.com","tags":["Third Party Advisory","X Refsource SECUNIA","Vendor Advisory"]},{"url":"http://secunia.com/advisories/51199","label":"secunia.com/advisories/51199","hostname":"secunia.com","tags":["Third Party Advisory","X Refsource SECUNIA"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2012-November/093064.html","label":"lists.fedoraproject.org/pipermail/package-announce/2012-November/093064.html","hostname":"lists.fedoraproject.org","tags":["Vendor Advisory","X Refsource FEDORA"]},{"url":"http://www.openwall.com/lists/oss-security/2012/03/06/9","label":"www.openwall.com/lists/oss-security/2012/03/06/9","hostname":"www.openwall.com","tags":["Mailing List","X Refsource MLIST"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2012-November/092926.html","label":"lists.fedoraproject.org/pipermail/package-announce/2012-November/092926.html","hostname":"lists.fedoraproject.org","tags":["Vendor Advisory","X Refsource FEDORA"]},{"url":"http://secunia.com/advisories/48258","label":"secunia.com/advisories/48258","hostname":"secunia.com","tags":["Third Party Advisory","X Refsource SECUNIA","Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":["DSA-2500-1"],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2012-06-29T19:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-06T18:45:27.269Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":31,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T03:35:08.118Z","stale":false,"partial":false}}