CVE-2012-0391
Apache Struts 2 Improper Input Validation Vulnerability
IN CISA KEV
The ExceptionDelegator component in Apache Struts 2 before 2.2.3.1 contains an improper input validation vulnerability that allows for remote code execution.
- Vendor
- Apache
- Product
- Struts 2
- CVSS
- No score recorded (no NVD record loaded for this entry)
- CWE
- CWE-20
- Published
- Not recorded
- NVD modified
- Not recorded
CISA KEV
- Date added
- 2022-01-21
- Due date
- 2022-07-21
- Ransomware use
- Unknown
- Required action
- Apply updates per vendor instructions.
EPSS
75.6% chance of exploitation in the next 30 days (percentile 99th)
FIRST EPSS, updated 17 Oct 2026. About EPSS
CVSS is severity, EPSS is likelihood, KEV means already exploited. EPSS is a statistical probability, not a certainty: a low score does not make a bug safe, and a high one does not prove it is being exploited.
Data last updated 18 Oct 2026. Sources: NVD API 2.0, CISA KEV catalog, FIRST EPSS. Links: NVD, CISA KEV. Metadata only. ThreatWire does not host exploit code.