{"id":"CVE-2021-28164","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-28164","generatedAt":"2026-11-05T01:35:25.654Z","title":"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.","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.","published":"2021-04-01T15:15:14.000Z","lastModified":"2026-06-17T03:45:55.000Z","status":"Modified","sourceIdentifier":"emo@eclipse.org","cvss":{"version":"3.1","score":5.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},"cwe":["CWE-200","CWE-551"],"affected":["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"],"epss":{"score":0.82371,"percentile":0.99662,"date":"2026-11-03","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":false,"firstPublished":"2021-10-22","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":50438,"kind":"exploit","title":"Jetty 9.4.37.v20210219 - Information Disclosure","url":"https://www.exploit-db.com/exploits/50438","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/java/webapps/50438.txt","file":"exploits/java/webapps/50438.txt","published":"2021-10-22","added":"2021-10-22","updated":"2021-10-22","author":"Mayank Deshmukh","type":"webapps","platform":"java","port":null,"verified":false,"codes":["CVE-2021-28164"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 82.4%, higher than 100% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://packetstormsecurity.com/files/164590/Jetty-9.4.37.v20210219-Information-Disclosure.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"emo@eclipse.org"},{"url":"https://github.com/eclipse/jetty.project/security/advisories/GHSA-v7ff-8wcx-gmc5","tags":["Mitigation","Third Party 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