January 21, 2022 · Applied Cybernetics Group
CVE-2012-0391 — Apache Struts 2
Apache Struts 2 Improper Input Validation Vulnerability
- Added to KEV
2022-01-21- Federal due date
2022-07-21- Vendor
- Apache
- Product
- Struts 2
- EPSS
- 99.5th percentile (score 0.875, as of
2026-06-08) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2012-0391
CISA short description
The ExceptionDelegator component in Apache Struts 2 before 2.2.3.1 contains an improper input validation vulnerability that allows for remote code execution.
Required action
Apply updates per vendor instructions.