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CVE-2017-9805

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.

Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 8.1, indicating it can be exploited remotely over the network but requires specific conditions to be met without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 7 products from apache, from cisco, from cisco and 4 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2017, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2017-09-15T19:29:00.237

Last Modified

2026-04-21T16:55:43.623

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 8.1 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

6.4

Weaknesses

Type: Primary
CWE-502
Type: Secondary
CWE-502

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	apache	struts	< 2.3.34	Yes
Application	apache	struts	< 2.5.13	Yes
Application	cisco	digital_media_manager	-	Yes
Application	cisco	hosted_collaboration_solution	10.5\(1\)	Yes
Application	cisco	hosted_collaboration_solution	11.0\(1\)	Yes
Application	cisco	hosted_collaboration_solution	11.5\(1\)	Yes
Application	cisco	hosted_collaboration_solution	11.6\(1\)	Yes
Application	cisco	media_experience_engine	3.5	Yes
Application	cisco	media_experience_engine	3.5.2	Yes
Application	cisco	network_performance_analysis	-	Yes
Application	cisco	video_distribution_suite_for_internet_streaming	-	Yes
Application	netapp	oncommand_balance	-	Yes

References

http://www.oracle.com/technetwork/security-advisory/alert-cve-2017-9805-3889403.html Patch, Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/100609 Broken Link, Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1039263 Broken Link, Third Party Advisory, VDB Entry ([email protected])
https://blogs.apache.org/foundation/entry/apache-struts-statement-on-equifax Vendor Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=1488482 Issue Tracking, Third Party Advisory, VDB Entry ([email protected])
https://cwiki.apache.org/confluence/display/WW/S2-052 Mitigation, Vendor Advisory ([email protected])
https://lgtm.com/blog/apache_struts_CVE-2017-9805 Broken Link ([email protected])
https://security.netapp.com/advisory/ntap-20170907-0001/ Third Party Advisory ([email protected])
https://struts.apache.org/docs/s2-052.html Mitigation, Vendor Advisory ([email protected])
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170907-struts2 Third Party Advisory ([email protected])
https://www.exploit-db.com/exploits/42627/ Exploit, Third Party Advisory, VDB Entry ([email protected])
https://www.kb.cert.org/vuls/id/112992 Third Party Advisory, US Government Resource ([email protected])
http://www.oracle.com/technetwork/security-advisory/alert-cve-2017-9805-3889403.html Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/100609 Broken Link, Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1039263 Broken Link, Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://blogs.apache.org/foundation/entry/apache-struts-statement-on-equifax Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=1488482 Issue Tracking, Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://cwiki.apache.org/confluence/display/WW/S2-052 Mitigation, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lgtm.com/blog/apache_struts_CVE-2017-9805 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20170907-0001/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://struts.apache.org/docs/s2-052.html Mitigation, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170907-struts2 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.exploit-db.com/exploits/42627/ Exploit, Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://www.kb.cert.org/vuls/id/112992 Third Party Advisory, US Government Resource (af854a3a-2127-422b-91ae-364da2661108)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-9805 US Government Resource (134c704f-9b21-4f2e-91b3-4a467353bcc0)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For apache's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.