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8.1 High Exploited

CVE-2017-12617 Apache Tomcat Remote Code Execution Vulnerability

Active exploitation observed

· CISA KEV catalogue
Required action Apply updates per vendor instructions.
Ransomware campaigns Not observed so far
Weakness CWE-434

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.

Affected products and versions

Product Affected versions Fixed in
Apache Tomcat Versions not published

References

Timeline

  1. Published
  2. Added to the KEV catalogue
  3. Last modified

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