March 25, 2022 · Applied Cybernetics Group
CVE-2017-12617 — Apache Tomcat
Apache Tomcat Remote Code Execution Vulnerability
- Added to KEV
2022-03-25- Federal due date
2022-04-15- Vendor
- Apache
- Product
- Tomcat
- EPSS
- 100.0th percentile (score 1.000, as of
2026-09-16) - NVD CVSS v3.1
- 8.1 (HIGH)
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2017-12617
CISA short description
When running Apache Tomcat, it is 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.
Required action
Apply updates per vendor instructions.
NVD 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.