{"cve":"CVE-2020-27223","nvd":{"published":"2021-02-26T22:15:19.317","modified":"2026-06-17T03:08:59.647","status":"Modified","description":"In Eclipse Jetty 9.4.6.v20170531 to 9.4.36.v20210114 (inclusive), 10.0.0, and 11.0.0 when Jetty handles a request containing multiple Accept headers with a large number of “quality” (i.e. q) parameters, the server may enter a denial of service (DoS) state due to high CPU usage processing those quality values, resulting in minutes of CPU time exhausted processing those quality values.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","score":5.3},"cwes":["CWE-400","CWE-407"],"references":["https://bugs.eclipse.org/bugs/show_bug.cgi?id=571128","https://github.com/eclipse/jetty.project/security/advisories/GHSA-m394-8rww-3jr7","https://github.com/jetty/jetty.project/commit/10e531756b972162eed402c44d0244f7f6b85131","https://lists.apache.org/thread.html/r068dfd35ce2193f6af28b74ff29ab148c2b2cacb235995576f5bea78%40%3Cissues.solr.apache.org%3E","https://lists.apache.org/thread.html/r07aedcb1ece62969c406cb84c8f0e22cec7e42cdc272f3176e473320%40%3Cusers.solr.apache.org%3E"],"products":["apache:nifi","apache:solr","apache:spark","debian:debian_linux","eclipse:jetty","netapp:e-series_santricity_os_controller","netapp:e-series_santricity_web_services","netapp:element_plug-in_for_vcenter_server","netapp:hci","netapp:hci_management_node","netapp:management_services_for_element_software","netapp:snap_creator_framework","netapp:snapcenter","netapp:snapmanager","netapp:solidfire","oracle:rest_data_services"],"source":"nvd","synced_at":"2026-10-19T21:15:50.279857260+00:00"},"epss":{"cve":"CVE-2020-27223","score":0.78031,"percentile":0.99575,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-m394-8rww-3jr7","url":"https://osv.dev/vulnerability/GHSA-m394-8rww-3jr7","summary":"DOS vulnerability for Quoted Quality CSV headers","modified":"2026-07-08T06:00:24.181618847Z","packages":[{"ecosystem":"Maven","name":"org.eclipse.jetty:jetty-server","purl":"pkg:maven/org.eclipse.jetty/jetty-server","ranges":[">=9.4.6 <9.4.37"],"fixed":["9.4.37"]},{"ecosystem":"Maven","name":"org.eclipse.jetty:jetty-server","purl":"pkg:maven/org.eclipse.jetty/jetty-server","ranges":[">=10.0.0 <10.0.1"],"fixed":["10.0.1"]},{"ecosystem":"Maven","name":"org.eclipse.jetty:jetty-server","purl":"pkg:maven/org.eclipse.jetty/jetty-server","ranges":[">=11.0.0 <11.0.1"],"fixed":["11.0.1"]}]}],"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."]}