November 3, 2021 · Applied Cybernetics Group
CVE-2017-5638 Apache Struts
known ransomware use
Apache Struts Remote Code Execution Vulnerability
- Added to KEV
2021-11-03- Federal due date
2022-05-03- Vendor
- Apache
- Product
- Struts
- EPSS
- 100.0th percentile (score 1.000, as of
2026-11-06) - NVD CVSS v3.1
- —
- Ransomware use
- Known
- ATT&CK
- T1005 , T1059 , T1190 · signal rollup
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2017-5638
CISA short description
Apache Struts Jakarta Multipart parser allows for malicious file upload using the Content-Type value, leading to remote code execution.
Required action
Apply updates per vendor instructions.