{"cve":"CVE-2014-4172","nvd":{"published":"2020-01-24T19:15:12.010","modified":"2026-06-17T00:09:32.707","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-74"],"references":["http://lists.fedoraproject.org/pipermail/package-announce/2014-August/137182.html","https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=759718","https://bugzilla.redhat.com/show_bug.cgi?id=1131350","https://exchange.xforce.ibmcloud.com/vulnerabilities/95673","https://github.com/Jasig/dotnet-cas-client/commit/f0e030014fb7a39e5f38469f43199dc590fd0e8d"],"products":["apereo:.net_cas_client","apereo:java_cas_client","apereo:phpcas","debian:debian_linux","fedoraproject:fedora"],"source":"nvd","synced_at":"2026-10-19T21:01:01.339895972+00:00"},"epss":{"cve":"CVE-2014-4172","score":0.06057,"percentile":0.93382,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-9fc5-q25c-r2wr","url":"https://osv.dev/vulnerability/GHSA-9fc5-q25c-r2wr","summary":"Jasig Java CAS Client, .NET CAS Client, and phpCAS contain URL parameter injection vulnerability","modified":"2024-04-12T22:01:27.708442Z","packages":[{"ecosystem":"NuGet","name":"DotNetCasClient","purl":"pkg:nuget/DotNetCasClient","ranges":["<1.0.2"],"fixed":["1.0.2"]},{"ecosystem":"Maven","name":"org.jasig.cas:cas-client","purl":"pkg:maven/org.jasig.cas/cas-client","ranges":["<3.3.2"],"fixed":["3.3.2"]},{"ecosystem":"Packagist","name":"jasig/phpcas","purl":"pkg:composer/jasig/phpcas","ranges":["<1.3.3"],"fixed":["1.3.3"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}