Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2017-9791

CVE-2017-9791CRITICAL

Apache Struts 1

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   N   N  U  H  H  H    9.8   .9891   99.9   YES

AFFECTED
  Product        Versions        Fixed
  Apache Struts  2.1.x series –  —

TIMELINE
  Jun 21  Reserved by apache
  Jul 10  Published (CNA: apache)
  Feb 10  Added to CISA KEV, remediation due 2022-08-10

CWE-20 · CNA: apache · CVSS v3.1 · 8 references · KEV due August 10, 2022

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.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
June 21, 2017	Reserved	Reserved by apache
July 10, 2017	Published	Published (CNA: apache)
February 10, 2022	KEV ADDED	Added to CISA KEV, remediation due 2022-08-10

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
Apache Software Foundation	Apache Struts	—	2.1.x series	—

Weaknesses

CWE-20

References (8)

http://struts.apache.org/docs/s2-048.html [x_refsource_CONFIRM]
http://www.oracle.com/technetwork/security-advisory/alert-cve-2017-9805-3889403.html [x_refsource_CONFIRM]
http://www.securityfocus.com/bid/99484 [vdb-entry, x_refsource_BID]
http://www.securitytracker.com/id/1038838 [vdb-entry, x_refsource_SECTRACK]
https://security.netapp.com/advisory/ntap-20180706-0002/ [x_refsource_CONFIRM]
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-9791 [government-resource]
https://www.exploit-db.com/exploits/42324/ [exploit, x_refsource_EXPLOIT-DB]
https://www.exploit-db.com/exploits/44643/ [exploit, x_refsource_EXPLOIT-DB]

Authoritative record: CVE-2017-9791 at cve.org

Vendors: apache

Weaknesses: CWE-20

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2017-9791 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.