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CVE-2017-9805

99
FAUCET Score

CVE-2017-9805 is a critical remote code execution vulnerability affecting the REST Plugin in Apache Struts versions 2.1.1 through 2.3.34 and 2.5.x before 2.5.13, as well as products from Cisco and NetApp. This flaw, stemming from insecure deserialization of XML payloads via XStream, carries a high CVSS score of 8.1 due to its network-based attack vector, low attack complexity, and potential for complete compromise of confidentiality, integrity, and availability. The vulnerability is actively exploited, with readily available exploit code in Metasploit and Nuclei, and has garnered significant community discussion and media coverage, notably linked to the Equifax breach.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.1.2, < 2.3.34CPE matchmatch criteria
cpe:2.3:a:apache:struts:*:*:*:*:*:*:*:*
>= 2.5.0, < 2.5.13CPE matchmatch criteria
cpe:2.3:a:apache:struts:*:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:cisco:digital_media_manager:-:*:*:*:*:*:*:*
10.5\(1\)CPE matchmatch criteria
cpe:2.3:a:cisco:hosted_collaboration_solution:10.5\(1\):*:*:*:*:*:*:*
11.0\(1\)CPE matchmatch criteria
cpe:2.3:a:cisco:hosted_collaboration_solution:11.0\(1\):*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.1HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.2
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
99.40%
Probability of exploitation in next 30 days
EPSS Percentile
99.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
Added to KEV · Nov 3, 2021
Metasploit: Apache Struts 2 REST Plugin XStream RCE · Sep 5, 2017
Nuclei: CVE-2017-9805 · Feb 21, 2021
ExploitDB: EDB-42627 · Sep 6, 2017
This CVE's current EPSS score of 0.9940 is in the 100th percentile among its peer group of 8,914 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

mavenpatch availablevia ghsa
Product: org.apache.struts:struts2-rest-pluginFixed in: 2.5.13
mavenpatch availablevia ghsa
Product: org.apache.struts:struts2-rest-pluginFixed in: 2.3.34
oraclepatch availablevia nvd_reference
View patch

Vendor Advisories (2)

mavenGHSA-gg9m-fj3v-r58chigh

REST Plugin in Apache Struts uses an XStreamHandler with an instance of XStream for deserialization without any type filtering

Oct 16, 2018
redhatCVE-2017-9805Important

struts: RCE attack via REST plugin with XStream handler to deserialise XML requests

Sep 5, 2017

References

cisa.gov / known-exploited-vulnerabilities-catalog
US Government Resource
blogs.apache.org / foundation/entry/apache-struts-statement-on-equifax
Vendor Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party AdvisoryVDB Entry
cwiki.apache.org / confluence/display/WW/S2-052
MitigationVendor Advisory
lgtm.com / blog/apache_struts_CVE-2017-9805
Broken Link
security.netapp.com / advisory/ntap-20170907-0001
Third Party Advisory
struts.apache.org / docs/s2-052.html
MitigationVendor Advisory
tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-20170907-struts2
Third Party Advisory
exploit-db.com / exploits/42627
ExploitThird Party AdvisoryVDB Entry
kb.cert.org / vuls/id/112992
Third Party AdvisoryUS Government Resource
oracle.com / technetwork/security-advisory/alert-cve-2017-9805-3889403.html
PatchThird Party Advisory
securityfocus.com / bid/100609
Broken LinkThird Party AdvisoryVDB Entry
securitytracker.com / id/1039263
Broken LinkThird Party AdvisoryVDB Entry