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CVE-2017-9804

Published: Sep 20, 2017Updated: May 13, 2026 Sources: CVE List NVD GHSACWE-20
NVD MITRE
7.5CVSSHIGH
EPSS Score
9.5%
Top 5.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

In Apache Struts 2.3.7 through 2.3.33 and 2.5 through 2.5.12, if an application allows entering a URL in a form field and built-in URLValidator is used, it is possible to prepare a special URL which will be used to overload server process when performing validation of the URL. NOTE: this vulnerability exists because of an incomplete fix for S2-047 / CVE-2017-7672.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-20

Affected Products

strutsapache
LibraryLibrary
OSS Libraries / web-framework
Apache StrutsApache Software Foundation
LibraryLibrary
OSS Libraries / web-framework
org.apache.struts:struts2-coreMavenOSS Libraries
apacheoss-projectUSWeb & CMS Pluginsaka apache http server, apache httpd
apache software foundationoss-projectUSWeb & CMS Pluginsaka apache foundation
mavenpackage-ecosystemOSS Libraries

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2017-003.txt
arubanetworks.com
http://www.oracle.com/technetwork/security-advisory/alert-cve-2017-9805-3889403.html
oracle.com
http://www.securityfocus.com/bid/100612
securityfocus.com
and 10 more references View all →

Timeline

Published
Sep 20, 2017
Last Updated
May 13, 2026

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