CVE-2017-9791
CRITICALCISA KEVEPSS 100th pctlDescription
The Struts 1 plugin in Apache Struts 2.1.x and 2.3.x might allow remote code execution via a malicious field value passed in a raw message to the ActionMessage.
CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploit Intelligence
Very high risk: more likely to be exploited than 100% of all known CVEs.
Apache Struts 1 Improper Input Validation Vulnerability
The Struts 1 plugin in Apache Struts might allow remote code execution via a malicious field value passed in a raw message to the ActionMessage.
Apply updates per vendor instructions.
Remediation due: 2022-08-10
References
- http://struts.apache.org/docs/s2-048.html
- http://www.oracle.com/technetwork/security-advisory/alert-cve-2017-9805-3889403.html
- http://www.securityfocus.com/bid/99484
- http://www.securitytracker.com/id/1038838
- https://security.netapp.com/advisory/ntap-20180706-0002/
- https://www.exploit-db.com/exploits/42324/
- https://www.exploit-db.com/exploits/44643/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-9791
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Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-21.