{"id":"CVE-2018-11784","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-11784","generatedAt":"2026-10-29T00:48:19.767Z","title":"When the default servlet in Apache Tomcat versions 9.0.0.M1 to 9.0.11, 8.5.0 to 8.5.33 and 7.0.23 to 7.0.90 returned a redirect to a directory (e.g. redirecting to '/foo/' when the user requested '/foo') a specially crafted URL could be used to cause…","description":"When the default servlet in Apache Tomcat versions 9.0.0.M1 to 9.0.11, 8.5.0 to 8.5.33 and 7.0.23 to 7.0.90 returned a redirect to a directory (e.g. redirecting to '/foo/' when the user requested '/foo') a specially crafted URL could be used to cause the redirect to be generated to any URI of the attackers choice.","published":"2018-10-04T13:29:00.000Z","lastModified":"2026-10-15T18:17:09.000Z","status":"Modified","sourceIdentifier":"security@apache.org","cvss":{"version":"3.0","score":4.3,"severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N"},"cwe":["CWE-601"],"affected":["apache/tomcat","debian/debian linux","canonical/ubuntu linux","netapp/snap creator framework","redhat/enterprise linux desktop","redhat/enterprise linux server","redhat/enterprise linux server aus","redhat/enterprise linux server eus","redhat/enterprise linux server tus","redhat/enterprise linux workstation","oracle/communications application session controller","oracle/hospitality guest access","oracle/instantis enterprisetrack","oracle/retail order broker","oracle/secure global desktop"],"epss":{"score":0.9768,"percentile":0.99903,"date":"2026-10-27","history":[{"date":"2026-09-24","score":0.9768,"percentile":0.99902}]},"kev":{"listed":false},"exploits":{"count":1,"verified":false,"firstPublished":"2021-07-13","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":50118,"kind":"exploit","title":"Apache Tomcat 9.0.0.M1 - Open Redirect","url":"https://www.exploit-db.com/exploits/50118","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/multiple/webapps/50118.txt","file":"exploits/multiple/webapps/50118.txt","published":"2021-07-13","added":"2021-07-13","updated":"2021-07-13","author":"Central InfoSec","type":"webapps","platform":"multiple","port":null,"verified":false,"codes":["CVE-2018-11784"],"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 97.7%, higher than 100% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00030.html","source":"security@apache.org"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00056.html","source":"security@apache.org"},{"url":"http://packetstormsecurity.com/files/163456/Apache-Tomcat-9.0.0M1-Open-Redirect.html","source":"security@apache.org"},{"url":"http://www.securityfocus.com/bid/105524","tags":["Third Party Advisory","VDB Entry"],"source":"security@apache.org"},{"url":"https://access.redhat.com/errata/RHSA-2019:0130","tags":["Third Party Advisory"],"source":"security@apache.org"},{"url":"https://access.redhat.com/errata/RHSA-2019:0131","tags":["Third Party Advisory"],"source":"security@apache.org"},{"url":"https://access.redhat.com/errata/RHSA-2019:0485","tags":["Third Party 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BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}