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CVE-2016-6796
A malicious web application running on Apache Tomcat 9.0.0.M1 to 9.0.0.M9, 8.5.0 to 8.5.4, 8.0.0.RC1 to 8.0.36, 7.0.0 to 7.0.70 and 6.0.0…
High7.5EPSS 8.3%
- Published
- Updated
- Reserved
- Assigned by
- apache
Description
A malicious web application running on Apache Tomcat 9.0.0.M1 to 9.0.0.M9, 8.5.0 to 8.5.4, 8.0.0.RC1 to 8.0.36, 7.0.0 to 7.0.70 and 6.0.0 to 6.0.45 was able to bypass a configured SecurityManager via manipulation of the configuration parameters for the JSP Servlet.
Timeline
ID reserved
By apache
- 12 months later
· 12 months later
Published
- 9 years later
· 9 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 | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
- EPSS (exploitation in 30 days)
- 8.3% · top 5.0% of all CVEs (8 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
- Sandbox escape
Affected products
Apache Software Foundation · Apache Tomcat
- affected 9.0.0.M1 to 9.0.0.M9
- affected 8.5.0 to 8.5.4
- affected 8.0.0.RC1 to 8.0.36
- affected 7.0.0 to 7.0.70
- affected 6.0.0 to 6.0.45
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Mavenorg.apache.tomcat:tomcatGHSA-3mjp-p938-4329 (opens in a new tab)
References (31)
- RHSA-2017:1548 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- [announce] 20161027 [SECURITY] CVE-2016-6796 Apache Tomcat Security Manager Bypass (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- RHSA-2017:1549 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 93944 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- RHSA-2017:1552 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 1038757 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 1037141 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- RHSA-2017:2247 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2017:1551 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2017:0457 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2017:0455 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2017:1550 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- DSA-3720 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- RHSA-2017:0456 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_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] 20190319 svn commit: r1855831 [23/30] - 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 [24/29] - in /tomcat/site/trunk: docs/ xdocs/ xdocs/stylesheets/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [tomcat-dev] 20190325 svn commit: r1856174 [21/29] - in /tomcat/site/trunk: docs/ xdocs/ xdocs/stylesheets/ (opens in a new tab)mailing-listx_refsource_MLISTx_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: r1857494 [16/20] - in /tomcat/site/trunk: ./ docs/ xdocs/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [tomcat-dev] 20190413 svn commit: r1857494 [15/20] - in /tomcat/site/trunk: ./ docs/ xdocs/ (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
- [tomcat-dev] 20190415 svn commit: r1857582 [16/22] - in /tomcat/site/trunk: docs/ xdocs/stylesheets/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [tomcat-dev] 20200203 svn commit: r1873527 [23/30] - /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 [26/34] - /tomcat/site/trunk/docs/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- USN-4557-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- https://security.netapp.com/advisory/ntap-20180605-0001/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://www.oracle.com/security-alerts/cpuoct2021.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)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-3mjp-p938-4329 (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-2016-6796)Record last updated .