{"cve":"CVE-2021-28164","nvd":{"published":"2021-04-01T15:15:14.157","modified":"2026-06-17T03:45:54.787","status":"Modified","description":"In Eclipse Jetty 9.4.37.v20210219 to 9.4.38.v20210224, the default compliance mode allows requests with URIs that contain %2e or %2e%2e segments to access protected resources within the WEB-INF directory. For example a request to /context/%2e/WEB-INF/web.xml can retrieve the web.xml file. This can reveal sensitive information regarding the implementation of a web application.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","score":5.3},"cwes":["CWE-200","CWE-551"],"references":["http://packetstormsecurity.com/files/164590/Jetty-9.4.37.v20210219-Information-Disclosure.html","https://github.com/eclipse/jetty.project/security/advisories/GHSA-v7ff-8wcx-gmc5","https://lists.apache.org/thread.html/r0841b06b48324cfc81325de3c05a92e53f997185f9d71ff47734d961%40%3Cissues.solr.apache.org%3E","https://lists.apache.org/thread.html/r111f1ce28b133a8090ca4f809a1bdf18a777426fc058dc3a16c39c66%40%3Cissues.solr.apache.org%3E","https://lists.apache.org/thread.html/r2a3ea27cca2ac7352d392b023b72e824387bc9ff16ba245ec663bdc6%40%3Cissues.zookeeper.apache.org%3E"],"products":["eclipse:jetty","netapp:cloud_manager","netapp:e-series_performance_analyzer","netapp:e-series_santricity_os_controller","netapp:e-series_santricity_web_services","netapp:element_plug-in_for_vcenter_server","netapp:santricity_cloud_connector","netapp:snapcenter","netapp:snapcenter_plug-in","netapp:storage_replication_adapter_for_clustered_data_ontap","netapp:vasa_provider_for_clustered_data_ontap","netapp:virtual_storage_console","oracle:autovue_for_agile_product_lifecycle_management","oracle:banking_apis","oracle:banking_digital_experience","oracle:communications_session_route_manager","oracle:siebel_core_-_automation"],"source":"nvd","synced_at":"2026-10-19T21:17:01.373894544+00:00"},"epss":{"cve":"CVE-2021-28164","score":0.82371,"percentile":0.99662,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-v7ff-8wcx-gmc5","url":"https://osv.dev/vulnerability/GHSA-v7ff-8wcx-gmc5","summary":"Authorization Before Parsing and Canonicalization in jetty","modified":"2026-07-08T06:29:18.960048927Z","packages":[{"ecosystem":"Maven","name":"org.eclipse.jetty:jetty-webapp","purl":"pkg:maven/org.eclipse.jetty/jetty-webapp","ranges":[">=9.4.37 <9.4.39"],"fixed":["9.4.39"]}]}],"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."]}