November 3, 2021 · Applied Cybernetics Group
CVE-2020-17530 — Apache Struts
Apache Struts Remote Code Execution Vulnerability
- Added to KEV
2021-11-03- Federal due date
2022-05-03- Vendor
- Apache
- Product
- Struts
- EPSS
- 99.9th percentile (score 0.959, as of
2026-07-13) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- ATT&CK
- T1059 , T1190 · signal rollup
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2020-17530
CISA short description
Forced Object-Graph Navigation Language (OGNL) evaluation in Apache Struts, when evaluated on raw user input in tag attributes, can lead to remote code execution.
Required action
Apply updates per vendor instructions.