VULNERABILITY INTELLIGENCE
CVE-2017-9791
CVSS score9.8 CRITICAL
EPSS probability98.91%
CISA KEVKnown exploited vulnerability
Published2017-07-10
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Known Exploited Vulnerability
Apache Struts 1 Improper Input Validation Vulnerability
Vendor / product: Apache / Struts 1
Description
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.
Weakness classification
- CWE-20: Improper Input Validation
Primary references
- security@apache.org — Mitigation, Vendor Advisory
- security@apache.org — Patch, Third Party Advisory
- security@apache.org — Broken Link, Third Party Advisory, VDB Entry
- security@apache.org — Broken Link, Third Party Advisory, VDB Entry
- security@apache.org — Third Party Advisory
- security@apache.org — Third Party Advisory, VDB Entry
- security@apache.org — Third Party Advisory, VDB Entry
- af854a3a-2127-422b-91ae-364da2661108 — Mitigation, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Broken Link, Third Party Advisory, VDB Entry
- af854a3a-2127-422b-91ae-364da2661108 — Broken Link, Third Party Advisory, VDB Entry
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory