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CVE-2017-12615

High 8.1 Exploited in the wild (KEV) Used in ransomware campaigns

Confirmed active exploitation — CISA KEV catalog

Name
Apache Tomcat on Windows Remote Code Execution Vulnerability
Added to catalog
Remediation due date (US federal)
Required action
Apply updates per vendor instructions.

Description

When running Apache Tomcat 7.0.0 to 7.0.79 on Windows with HTTP PUTs enabled (e.g. via setting the readonly initialisation parameter of the Default 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.

Metrics

CVSS 3.1
8.1 (HIGH) Score source: NVD CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS — exploit probability
100% (percentile: 100) as of 1 November 2026
CWE
CWE-434

Affected products

apache: tomcat; microsoft: windows; netapp: 7-mode transition tool; netapp: oncommand balance; netapp: oncommand shift; redhat: enterprise linux server update services for sap solutions; redhat: jboss enterprise web server; redhat: jboss enterprise web server text-only advisories; redhat: enterprise linux desktop; redhat: enterprise linux eus; redhat: enterprise linux eus compute node; redhat: enterprise linux for ibm z systems; redhat: enterprise linux for ibm z systems eus; redhat: enterprise linux for power big endian; redhat: enterprise linux for power big endian eus

References