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CVE-2018-11784
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…
- 4.3MediumCVSS base score
- 97.7%Exploitation in 30 daysEPSS · top 0.1% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 2Public exploitsMetasploit, Nuclei and Exploit-DB
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.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list a Nuclei template and an Exploit-DB entry for it.
Show the exploits2
Nuclei templates1 template
- Apache Tomcat - Open Redirect (Nuclei template) (opens in a new tab)
http/cves/2018/CVE-2018-11784.yamlSeverity medium
Exploit-DB1 entry
- Apache Tomcat 9.0.0.M1 - Open Redirect (Exploit-DB entry) (opens in a new tab)
EDB-ID 50118webapps, multiplepublished 13 Jul 2021Not verified
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By apache
- 4 months later
· 4 months later
Published
- 8 years later
· 8 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium4.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N |
- EPSS (exploitation in 30 days)
- 97.7% · top 0.1% of all CVEs (10 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.
Affected products
Apache Software Foundation · Apache Tomcat
- affected 9.0.0.M1 to 9.0.11
- affected 8.5.0 to 8.5.33
- affected 7.0.23 to 7.0.90
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Mavenorg.apache.tomcat.embed:tomcat-embed-coreGHSA-5q99-f34m-67gc (opens in a new tab)
References
39
- https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- [announce] 20181003 [SECURITY] CVE-2018-11784 Apache Tomcat - Open Redirect (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://security.netapp.com/advisory/ntap-20181014-0002/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- 105524 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- RHSA-2019:0131 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2019:0485 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2019:0130 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- [debian-lts-announce] 20181014 [SECURITY] [DLA 1544-1] tomcat7 security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- USN-3787-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- [debian-lts-announce] 20181015 [SECURITY] [DLA 1545-1] tomcat8 security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [tomcat-dev] 20190319 svn commit: r1855831 [24/30] - in /tomcat/site/trunk: ./ docs/ xdocs/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [tomcat-dev] 20190319 svn commit: r1855831 [25/30] - in /tomcat/site/trunk: ./ docs/ xdocs/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [tomcat-dev] 20190325 svn commit: r1856174 [22/29] - in /tomcat/site/trunk: docs/ xdocs/ xdocs/stylesheets/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [tomcat-dev] 20190325 svn commit: r1856174 [23/29] - in /tomcat/site/trunk: docs/ xdocs/ xdocs/stylesheets/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [tomcat-dev] 20190325 svn commit: r1856174 [24/29] - in /tomcat/site/trunk: docs/ xdocs/ xdocs/stylesheets/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- FEDORA-2018-b18f9dd65b (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- [tomcat-dev] 20190413 svn commit: r1857494 [17/20] - in /tomcat/site/trunk: ./ docs/ xdocs/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [tomcat-dev] 20190413 svn commit: r1857496 [3/4] - in /tomcat/site/trunk: ./ docs/ xdocs/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [tomcat-dev] 20190413 svn commit: r1857494 [16/20] - in /tomcat/site/trunk: ./ docs/ xdocs/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [tomcat-dev] 20190415 svn commit: r1857582 [18/22] - in /tomcat/site/trunk: docs/ xdocs/stylesheets/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [tomcat-dev] 20190415 svn commit: r1857582 [17/22] - in /tomcat/site/trunk: docs/ xdocs/stylesheets/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [tomcat-dev] 20190415 svn commit: r1857582 [19/22] - in /tomcat/site/trunk: docs/ xdocs/stylesheets/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html (opens in a new tab)x_refsource_MISCx_transferred
- openSUSE-SU-2019:1547 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- RHSA-2019:1529 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://kc.mcafee.com/corporate/index?page=content&id=SB10284 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html (opens in a new tab)x_refsource_MISCx_transferred
- openSUSE-SU-2019:1814 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html (opens in a new tab)x_refsource_MISCx_transferred
- DSA-4596 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 20191229 [SECURITY] [DSA 4596-1] tomcat8 security update (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- https://www.oracle.com/security-alerts/cpujan2020.html (opens in a new tab)x_refsource_MISCx_transferred
- [tomcat-dev] 20200203 svn commit: r1873527 [24/30] - /tomcat/site/trunk/docs/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [tomcat-dev] 20200203 svn commit: r1873527 [25/30] - /tomcat/site/trunk/docs/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [tomcat-dev] 20200213 svn commit: r1873980 [27/34] - /tomcat/site/trunk/docs/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [tomcat-dev] 20200213 svn commit: r1873980 [28/34] - /tomcat/site/trunk/docs/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [tomcat-dev] 20200213 svn commit: r1873980 [29/34] - /tomcat/site/trunk/docs/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://www.oracle.com/security-alerts/cpuapr2020.html (opens in a new tab)x_refsource_MISCx_transferred
- http://packetstormsecurity.com/files/163456/Apache-Tomcat-9.0.0M1-Open-Redirect.html (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2018-0512 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-5q99-f34m-67gc (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2018-11784)Record last updated .