CVE-2017-12615
Actively exploited. CVE-2017-12615 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-25) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
Public exploit code is available. Proof-of-concept or working exploit code for CVE-2017-12615 is indexed in Exploit-DB, GitHub PoC and Nuclei. Expect opportunistic scanning and exploitation attempts — prioritize remediation.
When running Apache Tomcat on Windows with HTTP PUTs enabled, 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.
CSIRTS triage
- What
- A vulnerability allows uploading a JSP file via HTTP PUT, which can then be executed by the server.
- Who is affected
- Deployments of Apache Tomcat on Windows with HTTP PUTs enabled are affected.
- Urgency
- Immediate remediation is critical due to the potential for remote code execution and active exploitation.
- Action
- Disable HTTP PUT or update to the latest version of Apache Tomcat.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 100% of all EPSS-scored CVEs.
Exploit availability
Public exploit or proof-of-concept code for CVE-2017-12615 is indexed in these free datasets. Available exploit code raises real-world risk independent of the CVSS score.
- Exploit-DBA public exploit is published in the Exploit-DB archive.look it up ↗
- GitHub PoCPublic proof-of-concept repositories on GitHub reference this CVE.look it up ↗
- NucleiA nuclei-templates detection/PoC template exists for this CVE.look it up ↗
Advisory coverage (1)
- criticalexploitedCVE-2017-12615: Apache Tomcat on Windows Remote Code Execution Vulnerabilitycisa-kev · 2022-03-25
External references
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[](https://www.csirts.com/cve/CVE-2017-12615)