CVE-2017-12617
Unrestricted Upload of File with Dangerous Type
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
When running Apache Tomcat versions 9.0.0.M1 to 9.0.0, 8.5.0 to 8.5.22, 8.0.0.RC1 to 8.0.46 and 7.0.0 to 7.0.81 with HTTP PUTs enabled (e.g. via setting the readonly initialisation parameter of the Default servlet to false) it was possible to upload a JSP file to the server via a specially crafted request. This JSP could then be requested and any code it contained would be executed by the server.
Official description from the CVE record, published by apache. Copyright © 1999-2026 The MITRE Corporation. See /security/cve/legal for the CVE license. View the record on cve.org
Key data
CVSS 3.1 High 8.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector: Network
The vulnerable component can be reached over a network, possibly from the Internet.
Attack complexity: High
The attack depends on conditions outside the attacker's control, so it takes preparation.
Privileges required: None
No account or privileges are needed.
User interaction: None
No action from any user is needed.
Scope: Unchanged
The impact stays within the vulnerable component.
Confidentiality impact: High
Serious or total effect on the secrecy of data.
Integrity impact: High
Serious or total effect on the trustworthiness of data.
Availability impact: High
Serious or total effect on availability.
| Metric | Value | What it means |
|---|---|---|
| Attack vector | Network | The vulnerable component can be reached over a network, possibly from the Internet. |
| Attack complexity | High | The attack depends on conditions outside the attacker's control, so it takes preparation. |
| Privileges required | None | No account or privileges are needed. |
| User interaction | None | No action from any user is needed. |
| Scope | Unchanged | The impact stays within the vulnerable component. |
| Confidentiality impact | High | Serious or total effect on the secrecy of data. |
| Integrity impact | High | Serious or total effect on the trustworthiness of data. |
| Availability impact | High | Serious or total effect on availability. |
CVSS is owned and managed by FIRST.Org, Inc. (FIRST) and is used by permission. Each CVSS score on this site is shown together with its vector string, as published in the CVE record by the source named next to it. Learn more at first.org/cvss.
EPSS
- Score
- 0.99968 (99.96% probability)
- Percentile
- 99.97%
- Scores of
- Nov 10, 2026
- Model
- v2026.06.15
CISA Known Exploited Vulnerabilities
- Name in the catalog
- Apache Tomcat Remote Code Execution Vulnerability
- Added to the catalog
- Mar 25, 2022
- Federal due date
- Apr 15, 2022
CISA assessment as of Feb 4, 2025
- Exploitation
- Recorded by CISA as active
- Automatable
- no
- Technical impact
- total
Weakness (CWE)
- CWE-434Unrestricted Upload of File with Dangerous Type
Affected products
Apache Tomcat
- affected: 9.0.0.M1 to 9.0.0
- affected: 8.5.0 to 8.5.22
- affected: 8.0.0.RC1 to 8.0.46
- affected: 7.0.0 to 7.0.81
References
- RHSA-2017:3113 (access.redhat.com)vendor-advisory
- oracle.com/technetwork/security-advisory/cpujul2018-4258247…
- oracle.com/technetwork/security-advisory/cpujan2018-3236628…
- RHSA-2017:3080 (access.redhat.com)vendor-advisory
- support.hpe.com/hpsc/doc/public/display?docLocale=en_US&doc…
- RHSA-2018:0269 (access.redhat.com)vendor-advisory
- 42966 (exploit-db.com)exploit
- support.hpe.com/hpsc/doc/public/display?docLocale=en_US&doc…
- RHSA-2018:0270 (access.redhat.com)vendor-advisory
- RHSA-2018:0271 (access.redhat.com)vendor-advisory
- [debian-lts-announce] 20171107 [SECURITY] [DLA 1166-1] tomcat7 security update (lists.debian.org)mailing-list
- RHSA-2018:2939 (access.redhat.com)vendor-advisory
- RHSA-2018:0465 (access.redhat.com)vendor-advisory
- USN-3665-1 (usn.ubuntu.com)vendor-advisory
- oracle.com/technetwork/security-advisory/cpuapr2018-3678067…
- RHSA-2018:0268 (access.redhat.com)vendor-advisory
- RHSA-2017:3114 (access.redhat.com)vendor-advisory
- 43008 (exploit-db.com)exploit
- 1039552 (securitytracker.com)vdb-entry
- 100954 (securityfocus.com)vdb-entry
- RHSA-2018:0275 (access.redhat.com)vendor-advisory
- RHSA-2018:0466 (access.redhat.com)vendor-advisory
- [announce] 20171003 [SECURITY] CVE-2017-12617 Apache Tomcat Remote Code Execution via JSP upload (lists.apache.org)mailing-list
- security.netapp.com/advisory/ntap-20171018-0002
- security.netapp.com/advisory/ntap-20180117-0002
- RHSA-2017:3081 (access.redhat.com)vendor-advisory
- [tomcat-dev] 20190319 svn commit: r1855831 [24/30] - in /tomcat/site/trunk: ./ docs/ xdocs/ (lists.apache.org)mailing-list
- [tomcat-dev] 20190319 svn commit: r1855831 [25/30] - in /tomcat/site/trunk: ./ docs/ xdocs/ (lists.apache.org)mailing-list
- [tomcat-dev] 20190325 svn commit: r1856174 [22/29] - in /tomcat/site/trunk: docs/ xdocs/ xdocs/stylesheets/ (lists.apache.org)mailing-list
- [tomcat-dev] 20190325 svn commit: r1856174 [23/29] - in /tomcat/site/trunk: docs/ xdocs/ xdocs/stylesheets/ (lists.apache.org)mailing-list
- [tomcat-dev] 20190325 svn commit: r1856174 [24/29] - in /tomcat/site/trunk: docs/ xdocs/ xdocs/stylesheets/ (lists.apache.org)mailing-list
- support.f5.com/csp/article/K53173544
- [tomcat-dev] 20190413 svn commit: r1857494 [17/20] - in /tomcat/site/trunk: ./ docs/ xdocs/ (lists.apache.org)mailing-list
- [tomcat-dev] 20190413 svn commit: r1857496 [3/4] - in /tomcat/site/trunk: ./ docs/ xdocs/ (lists.apache.org)mailing-list
- [tomcat-dev] 20190413 svn commit: r1857494 [16/20] - in /tomcat/site/trunk: ./ docs/ xdocs/ (lists.apache.org)mailing-list
- [tomcat-dev] 20190415 svn commit: r1857582 [18/22] - in /tomcat/site/trunk: docs/ xdocs/stylesheets/ (lists.apache.org)mailing-list
- [tomcat-dev] 20190415 svn commit: r1857582 [17/22] - in /tomcat/site/trunk: docs/ xdocs/stylesheets/ (lists.apache.org)mailing-list
- [tomcat-dev] 20190415 svn commit: r1857582 [19/22] - in /tomcat/site/trunk: docs/ xdocs/stylesheets/ (lists.apache.org)mailing-list
- oracle.com/technetwork/security-advisory/cpuapr2019-5072813…
- [tomcat-dev] 20200203 svn commit: r1873527 [24/30] - /tomcat/site/trunk/docs/ (lists.apache.org)mailing-list
- [tomcat-dev] 20200203 svn commit: r1873527 [25/30] - /tomcat/site/trunk/docs/ (lists.apache.org)mailing-list
- [tomcat-dev] 20200213 svn commit: r1873980 [27/34] - /tomcat/site/trunk/docs/ (lists.apache.org)mailing-list
- [tomcat-dev] 20200213 svn commit: r1873980 [28/34] - /tomcat/site/trunk/docs/ (lists.apache.org)mailing-list
- [tomcat-dev] 20200213 svn commit: r1873980 [29/34] - /tomcat/site/trunk/docs/ (lists.apache.org)mailing-list
Timeline
- ID reserved
- Record published
- Added to CISA KEV
- Record last updated
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Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:30 UTC. Sources and licenses