CVE-2017-9791

Apache Software Foundation Apache Struts

Published 10 Jul 2017 · updated 17 Jun 2026 · Analyzed

9.8 Critical · CVSS 3.1, NVD

Exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on 10 Feb 2022, with a remediation deadline of 10 Aug 2022 for US federal agencies.

Required action: Apply updates per vendor instructions.

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.

References

struts.apache.org/docs/s2-048.html · Mitigation, Vendor Advisory
www.oracle.com/technetwork/security-advisory/alert-cve-2017-9805-3889403.html · Patch, Third Party Advisory
www.securityfocus.com/bid/99484 · Broken Link, Third Party Advisory, VDB Entry
www.securitytracker.com/id/1038838 · Broken Link, Third Party Advisory, VDB Entry
security.netapp.com/advisory/ntap-20180706-0002/ · Third Party Advisory
www.exploit-db.com/exploits/42324/ · Third Party Advisory, VDB Entry
www.exploit-db.com/exploits/44643/ · Third Party Advisory, VDB Entry
www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-9791 · US Government Resource