Apache Struts known exploited vulnerabilities
We track 9 CVEs in Apache Struts. All of them are on CISA's Known Exploited Vulnerabilities catalog, meaning CISA has evidence of exploitation in the wild (listed 2021–2026). CISA flags 1 of them as used in ransomware campaigns. The most recent is CVE-2016-3081, added to KEV on .
Also listed as: Struts 1 · Struts 2. CISA, NVD and vendor advisories name the same product differently; each CVE page keeps the wording from its source.
- CVEs tracked
- 9
- On CISA KEV
- 9
- Ransomware use
- 1
- Rated critical
- 5
Every Apache Struts CVE we track
| CVE / Vulnerability | Severity | CVSS | EPSS | Added to KEV | Patch by |
|---|---|---|---|---|---|
| CVE-2016-3081 Apache Struts Command Injection Vulnerability | [ HIGH ] | 8.1 | 96.1% | ||
| CVE-2013-2251 Apache Struts Improper Input Validation Vulnerability | [ CRITICAL ] | 9.8 | 100.0% | ||
| CVE-2017-9791 Apache Struts 1 Improper Input Validation Vulnerability | [ CRITICAL ] | 9.8 | 98.9% | ||
| CVE-2012-0391 Apache Struts 2 Improper Input Validation Vulnerability | [ CRITICAL ] | 9.8 | 75.6% | ||
| CVE-2006-1547 Apache Struts 1 ActionForm Denial-of-Service Vulnerability | [ HIGH ] | 7.5 | 54.6% | ||
| CVE-2020-17530 Apache Struts Remote Code Execution Vulnerability | [ CRITICAL ] | 9.8 | 95.9% | ||
| CVE-2018-11776 Apache Struts Remote Code Execution Vulnerability | [ HIGH ] | 8.1 | 100.0% | ||
| CVE-2017-9805 Apache Struts Deserialization of Untrusted Data Vulnerability | [ HIGH ] | 8.1 | 99.4% | ||
| CVE-2017-5638 Apache Struts Remote Code Execution Vulnerabilityransomware use | [ CRITICAL ] | 9.8 | 100.0% |
Sorted by date added to KEV. Severity and CVSS as stated by NVD or the vendor; EPSS from FIRST.org. "Patch by" is CISA's BOD 22-01 deadline for US federal agencies, a useful priority signal for everyone else. Machine-readable: /api/v1/vendors/apache.json.
Our Apache Struts coverage
Other Apache products
Every row links to its CVE record with the CISA required action, catalog coverage and primary sources. We describe impact and remediation only; no exploit code. See the full KEV tracker or compare KEV catalogs.