CVE-2017-9805

Apache Software Foundation Apache Struts

Published 15 Sept 2017 · updated 17 Jun 2026 · Analyzed

8.1 High · CVSS 3.1, NVD

Exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on 3 Nov 2021, with a remediation deadline of 3 May 2022 for US federal agencies.

Required action: Apply updates per vendor instructions.

Description

The REST Plugin in Apache Struts 2.1.1 through 2.3.x before 2.3.34 and 2.5.x before 2.5.13 uses an XStreamHandler with an instance of XStream for deserialization without any type filtering, which can lead to Remote Code Execution when deserializing XML payloads.

References

www.oracle.com/technetwork/security-advisory/alert-cve-2017-9805-3889403.html · Patch, Third Party Advisory
www.securityfocus.com/bid/100609 · Broken Link, Third Party Advisory, VDB Entry
www.securitytracker.com/id/1039263 · Broken Link, Third Party Advisory, VDB Entry
blogs.apache.org/foundation/entry/apache-struts-statement-on-equifax · Vendor Advisory
bugzilla.redhat.com/show_bug.cgi?id=1488482 · Issue Tracking, Third Party Advisory, VDB Entry
cwiki.apache.org/confluence/display/WW/S2-052 · Mitigation, Vendor Advisory
lgtm.com/blog/apache_struts_CVE-2017-9805 · Broken Link
security.netapp.com/advisory/ntap-20170907-0001/ · Third Party Advisory
struts.apache.org/docs/s2-052.html · Mitigation, Vendor Advisory
tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170907-struts2 · Third Party Advisory
www.exploit-db.com/exploits/42627/ · Exploit, Third Party Advisory, VDB Entry
www.kb.cert.org/vuls/id/112992 · Third Party Advisory, US Government Resource
www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-9805 · US Government Resource