{"schemaVersion":3,"id":"CVE-2014-4172","aliases":["MGASA-2014-0387","UBUNTU-CVE-2014-4172","DEBIAN-CVE-2014-4172","DSA-3017-1","GHSA-9fc5-q25c-r2wr"],"status":"published","duplicateOf":null,"title":null,"description":"A URL parameter injection vulnerability was found in the back-channel ticket validation step of the CAS protocol in Jasig Java CAS Client before 3.3.2, .NET CAS Client before 1.0.2, and phpCAS before 1.3.3 that allow remote attackers to inject arbitrary web script or HTML via the (1) service parameter to validation/AbstractUrlBasedTicketValidator.java or (2) pgtUrl parameter to validation/Cas20ServiceTicketValidator.java.","dates":{"published":"2020-01-24T18:29:32.000Z","modified":"2024-08-06T11:04:28.882Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":9.8,"severity":"critical","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":9.8,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"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},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Ubuntu","score":9.8,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":10,"impact":9.8,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Debian","score":9.8,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":10,"impact":9.8,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Maven","score":9.8,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":10,"impact":9.8,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Nuget","score":9.8,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":10,"impact":9.8,"computed":true}]},"epss":{"probability":0.06057,"percentile":0.93315,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.06057},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.06057,"percentile":0.93315}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.06057,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.06057,"percentile":0.93315}]},"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-74","name":"Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')","description":"The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.","type":"weakness","status":"Incomplete","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/74.html"}],"affected":[{"vendor":"apereo","product":"java_cas_client","name":"java cas client","label":"java_cas_client","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 3.3.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 3.3.2","eol":null,"hubHref":"/vendor/apereo/java_cas_client"},{"vendor":"apereo","product":".net_cas_client","name":".net cas client","label":".net_cas_client","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 1.0.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.0.2","eol":null,"hubHref":"/vendor/apereo/net_cas_client"},{"vendor":"apereo","product":"phpcas","name":"phpcas","label":"phpcas","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 1.3.3","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.3.3","eol":null,"hubHref":"/vendor/apereo/phpcas"},{"vendor":"jasig","product":"phpcas","name":"jasig/phpcas","label":"phpcas","ecosystem":"Packagist","cpePart":null,"purl":"pkg:composer/jasig/phpcas","purlType":"composer","versions":[{"text":"< 1.3.3","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.3.3","eol":null,"hubHref":null},{"vendor":"debian","product":"php-cas","name":"php-cas","label":"php-cas","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/php-cas","purlType":"deb","versions":[{"text":"< 1.3.3-1","noFixRecorded":false,"fixedIn":null},{"text":"< 1.3.1-4+deb7u1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.3.3-1 | < 1.3.1-4+deb7u1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"php-cas","name":"php-cas","label":"php-cas","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/php-cas","purlType":"deb","versions":[{"text":"< 1.3.3-1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.3.3-1","eol":null,"hubHref":null},{"vendor":"debian","product":"debian_linux","name":"debian linux","label":"debian_linux","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"7.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"7.0","eol":{"isEol":true,"eolDate":"2018-05-31T00:00:00.000Z","matchMethod":"cpe","cycle":{"name":"7","label":"7 (Wheezy)","eolFrom":"2018-05-31T00:00:00.000Z","isLts":false,"isMaintained":false,"latestVersion":"7.11"},"product":{"name":"debian","label":"Debian","category":"os"}},"hubHref":"/vendor/debian/debian_linux"},{"vendor":"fedoraproject","product":"fedora","name":"fedora","label":"fedora","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"20","noFixRecorded":false,"fixedIn":null}],"versionsText":"20","eol":{"isEol":true,"eolDate":"2015-06-23T00:00:00.000Z","matchMethod":"cpe","cycle":{"name":"20","label":"20 (Heisenbug)","eolFrom":"2015-06-23T00:00:00.000Z","isLts":false,"isMaintained":false,"latestVersion":null},"product":{"name":"fedora","label":"Fedora Linux","category":"os"}},"hubHref":"/vendor/fedoraproject/fedora"},{"vendor":"mageia","product":"php-pear-CAS","name":"php-pear-CAS","label":"php-pear-CAS","ecosystem":"Mageia","cpePart":null,"purl":"pkg:rpm/mageia/php-pear-CAS","purlType":"rpm","versions":[{"text":"< 1.3.3-1.mga3","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.3.3-1.mga3","eol":null,"hubHref":null},{"vendor":"mageia","product":"php-pear-CAS","name":"php-pear-CAS","label":"php-pear-CAS","ecosystem":"Mageia","cpePart":null,"purl":"pkg:rpm/mageia/php-pear-CAS","purlType":"rpm","versions":[{"text":"< 1.3.3-1.mga4","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.3.3-1.mga4","eol":null,"hubHref":null},{"vendor":"org.jasig.cas","product":"cas-client","name":"org.jasig.cas:cas-client","label":"cas-client","ecosystem":"Maven","cpePart":null,"purl":"pkg:maven/org.jasig.cas/cas-client","purlType":"maven","versions":[{"text":"< 3.3.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 3.3.2","eol":null,"hubHref":null},{"vendor":"NuGet","product":"DotNetCasClient","name":"DotNetCasClient","label":"DotNetCasClient","ecosystem":"NuGet","cpePart":null,"purl":"pkg:nuget/DotNetCasClient","purlType":"nuget","versions":[{"text":"< 1.0.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.0.2","eol":null,"hubHref":null}],"affectedCount":12,"eol":{"hasEol":true,"count":2},"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1131350","label":"bugzilla.redhat.com/show_bug.cgi?id=1131350","hostname":"bugzilla.redhat.com","tags":["X Refsource MISC","Issue Tracking","Third Party Advisory","WEB"]},{"url":"https://www.mail-archive.com/cas-user%40lists.jasig.org/msg17338.html","label":"www.mail-archive.com/cas-user%40lists.jasig.org/msg17338.html","hostname":"www.mail-archive.com","tags":["X Refsource MISC"]},{"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=759718","label":"bugs.debian.org/cgi-bin/bugreport.cgi?bug=759718","hostname":"bugs.debian.org","tags":["X Refsource MISC","Third Party Advisory","WEB"]},{"url":"https://github.com/Jasig/dotnet-cas-client/commit/f0e030014fb7a39e5f38469f43199dc590fd0e8d","label":"github.com/Jasig/dotnet-cas-client/commit/f0e030014fb7a39e5f38469f43199dc590fd0e8d","hostname":"github.com","tags":["X Refsource MISC","Patch","Third Party Advisory","WEB"]},{"url":"https://github.com/Jasig/java-cas-client/commit/ae37092100c8eaec610dab6d83e5e05a8ee58814","label":"github.com/Jasig/java-cas-client/commit/ae37092100c8eaec610dab6d83e5e05a8ee58814","hostname":"github.com","tags":["X Refsource MISC","Patch","Third Party Advisory","WEB"]},{"url":"https://github.com/Jasig/phpCAS/blob/master/docs/ChangeLog","label":"github.com/Jasig/phpCAS/blob/master/docs/ChangeLog","hostname":"github.com","tags":["X Refsource MISC","Release Notes","Third Party Advisory","WEB"]},{"url":"https://github.com/Jasig/phpCAS/pull/125","label":"github.com/Jasig/phpCAS/pull/125","hostname":"github.com","tags":["X Refsource MISC","Third Party Advisory","REPORT","WEB"]},{"url":"https://issues.jasig.org/browse/CASC-228","label":"issues.jasig.org/browse/CASC-228","hostname":"issues.jasig.org","tags":["X Refsource MISC","Third Party Advisory","WEB"]},{"url":"https://www.debian.org/security/2014/dsa-3017.en.html","label":"www.debian.org/security/2014/dsa-3017.en.html","hostname":"www.debian.org","tags":["X Refsource MISC","Third Party Advisory","WEB"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2014-August/137182.html","label":"lists.fedoraproject.org/pipermail/package-announce/2014-August/137182.html","hostname":"lists.fedoraproject.org","tags":["X Refsource MISC","Third Party Advisory","WEB"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/95673","label":"exchange.xforce.ibmcloud.com/vulnerabilities/95673","hostname":"exchange.xforce.ibmcloud.com","tags":["X Refsource MISC","Third Party Advisory","VDB Entry","WEB"]},{"url":"https://advisories.mageia.org/MGASA-2014-0387.html","label":"advisories.mageia.org/MGASA-2014-0387.html","hostname":"advisories.mageia.org","tags":["Advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=14139","label":"bugs.mageia.org/show_bug.cgi?id=14139","hostname":"bugs.mageia.org","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2014-4172","label":"ubuntu.com/security/CVE-2014-4172","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2014-4172","label":"www.cve.org/CVERecord?id=CVE-2014-4172","hostname":"www.cve.org","tags":["REPORT"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2014-4172","label":"security-tracker.debian.org/tracker/CVE-2014-4172","hostname":"security-tracker.debian.org","tags":["Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2014-4172","label":"nvd.nist.gov/vuln/detail/CVE-2014-4172","hostname":"nvd.nist.gov","tags":["Advisory"]},{"url":"https://github.com/apereo/java-cas-client/commit/266eba7c2d870d70caba6f41576d19f2fcc869b1","label":"github.com/apereo/java-cas-client/commit/266eba7c2d870d70caba6f41576d19f2fcc869b1","hostname":"github.com","tags":["WEB"]},{"url":"https://www.mail-archive.com/cas-user@lists.jasig.org/msg17338.html","label":"www.mail-archive.com/cas-user@lists.jasig.org/msg17338.html","hostname":"www.mail-archive.com","tags":["WEB"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2020-01-24T18:29:32.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-06T11:04:28.882Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":70,"level":"high","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T20:10:31.371Z","stale":false,"partial":false}}