CVE-2017-9805
HIGHCISA KEVEPSS 100th pctlDescription
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.
CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploit Intelligence
Very high risk: more likely to be exploited than 100% of all known CVEs.
Apache Struts Deserialization of Untrusted Data Vulnerability
Apache Struts REST Plugin 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.
Apply updates per vendor instructions.
Remediation due: 2022-05-03
References
- http://www.oracle.com/technetwork/security-advisory/alert-cve-2017-9805-3889403.html
- http://www.securityfocus.com/bid/100609
- http://www.securitytracker.com/id/1039263
- 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
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Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-21.