CVE-2017-9805: Apache Struts Deserialization of Untrusted Data Vulnerability
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.
Published Sep 15, 2017 · Updated Jun 17, 2026
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Advisory details
From the National Vulnerability Database. This product uses the NVD API but is not endorsed or certified by the NVD.
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
- https://blogs.apache.org/foundation/entry/apache-struts-statement-on-equifax
- https://bugzilla.redhat.com/show_bug.cgi?id=1488482
- https://cwiki.apache.org/confluence/display/WW/S2-052
- https://lgtm.com/blog/apache_struts_CVE-2017-9805
- https://security.netapp.com/advisory/ntap-20170907-0001/
- https://struts.apache.org/docs/s2-052.html
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170907-struts2
- https://www.exploit-db.com/exploits/42627/
- https://www.kb.cert.org/vuls/id/112992
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-9805
How this page is made: the data panel comes from the GitHub Advisory Database, CISA’s KEV catalog, the NVD and FIRST EPSS, and updates twice a day. No analysis has been written for this entry yet. Methodology
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