Product / Apache
Apache Struts in CISA KEV
Answer CISA's KEV catalog lists 5 vulnerabilities in Apache Struts as of catalog 2026.09.23, 12.5% of Apache's 40 entries. First added 2021-11-03, latest 2022-03-25; 1 ransomware-linked.
- KEV entries
- 5
- Ransomware: known
- 120%
- First added
- 2021-11-03
- Latest added
- 2022-03-25
- Median days to due
- 181
- Open deadlines
- 0federal
TAdditions by year
| Year | Added |
|---|---|
| 2021 | 4 |
| 2022 | 1 |
| 2023 | 0 |
| 2024 | 0 |
| 2025 | 0 |
| 2026 | 0 |
WWeaknesses
| CWE | Entries | Share |
|---|---|---|
| CWE-20 Improper input validation | 3 | 60% |
| CWE-917 | 1 | 20% |
| CWE-502 Unsafe deserialization | 1 | 20% |
EAll entries
| CVE | Vulnerability | Added | Due | Ransomware | CWE |
|---|---|---|---|---|---|
| CVE-2013-2251 | Apache Struts Improper Input Validation Vulnerability | Unknown | CWE-20 | ||
| CVE-2020-17530 | Apache Struts Remote Code Execution Vulnerability | Unknown | CWE-917 | ||
| CVE-2018-11776 | Apache Struts Remote Code Execution Vulnerability | Unknown | CWE-20 | ||
| CVE-2017-9805 | Apache Struts Deserialization of Untrusted Data Vulnerability | Unknown | CWE-502 | ||
| CVE-2017-5638 | Apache Struts Remote Code Execution Vulnerability | Known | CWE-20 |
Cite this
CISA's KEV catalog lists 5 vulnerabilities in Apache Struts. Source: Telemetry analysis of the CISA Known Exploited Vulnerabilities catalog, version 2026.09.23 (released 2026-09-23). https://glide-telemetry.pages.dev/products/apache-struts/
Source: CISA KEV catalog v2026.09.23, released 2026-09-23. Windows end 2026-09-23.