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CVE-2017-9805

Published: Sep 15, 2017Updated: Apr 21, 2026 Sources: CVE List NVD GHSA BDUCWE-502
NVD MITRE
8.1CVSSHIGH
EPSS Score
99.5%
Top 0.1%
CISA KEV
Active Exploitation
Since Nov 3, 2021
Exploits
3 Known
Remediation
Patch Available
Am I actually vulnerable?3 Nuclei templates available — see how to check your systems. How to verify

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.

CVSS Vector Breakdown

AV:NAC:HPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-502

Affected Products

strutsapache
LibraryLibrary
OSS Libraries / web-framework
digital media managerciscoNetworking Infrastructure
hosted collaboration solutionciscoNetworking Infrastructure
media experience engineciscoNetworking Infrastructure
network performance analysisciscoNetworking Infrastructure
apacheoss-projectUSWeb & CMS Pluginsaka apache http server, apache httpd
ciscocommercialUSNetworking Infrastructureaka cisco systems, cisco systems inc.
and 5 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

CISA Known Exploited Vulnerability
Added to KEV:Nov 3, 2021
Remediation due:May 3, 2022

Required action: Apply updates per vendor instructions.

3 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
Workaround Available

MITRE ATT&CK

3 techniques
Execution
Initial Access
View detailed technique mapping

References

http://www.oracle.com/technetwork/security-advisory/alert-cve-2017-9805-3889403.html
oracle.com
http://www.securityfocus.com/bid/100609
securityfocus.com
http://www.securitytracker.com/id/1039263
securitytracker.com
and 20 more references View all →

Timeline

Published
Sep 15, 2017
Added to CISA KEV
Nov 3, 2021
Last Updated
Apr 21, 2026

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