All vulnerabilities
CVE-2017-9805

Apache Struts Deserialization of Untrusted Data Vulnerability

Apache StrutsFrameworks
Open in ThreatlineRecord JSON
CVSS
8.1High
ExploitationExploited in the wildAdded to KEV 3 Nov 2021CISA KEV
Exploit odds (EPSS)99.4%Chance of exploitation activity in the next 30 days, higher than 99.9% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Federal deadline3 May 2022Remediation due date for US federal agenciesCISA KEV
CISA required actionApply updates per vendor instructions. CISA KEV

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

  1. 5 Sep 2017Exploit code publicMetasploit
  2. 15 Sep 2017, 19:00 UTCPublishedCVE List
  3. 3 Nov 2021Added to CISA KEVCISA KEV

Public exploit code and templates 3

  • Exploit moduleApache Struts 2 REST Plugin XStream RCE 5 Sep 2017Metasploit
  • Remote exploitApache Struts 2.5 < 2.5.12 - REST Plugin XStream Remote Code Execution 6 Sep 2017Exploit-DB
  • Scanner templateApache Struts2 S2-052 - Remote Code ExecutionNuclei

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

Description

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.

Text from CVE List

Affected versions 1

  • Apache Strutsaffected: Apache Struts before 2.3.34 and 2.5.x before 2.5.13CVE List

References 11