Arbitrary file upload in Apache Tomcat

CVE-2017-12615

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 reques…

Vulnerability class: Unrestricted File Upload

EPSS: 0.996 (99.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: .

Required action: Apply updates per vendor instructions.

Known ransomware campaign use: yes.

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-12615?
CVE-2017-12615 is a high-severity vulnerability in Apache Tomcat, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.1/10. Published 2017-09-19.
How severe is CVE-2017-12615?
High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2017-12615 known to be exploited?
Yes. CVE-2017-12615 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-25), indicating it is being actively exploited. 143 public proof-of-concept repositories are indexed.