CVE-2017-9804

HighCVSS 7.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.0 7.5/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-20

Affected software

Vendor	Product	Versions
Apache Software Foundation	Apache Struts	2.3.7 - 2.3.33; 2.5 - 2.5.12

References

http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2017-003.txtThird Party Advisory
http://www.oracle.com/technetwork/security-advisory/alert-cve-2017-9805-3889403.htmlPatch, Third Party Advisory
http://www.securityfocus.com/bid/100612Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039261Third Party Advisory, VDB Entry
https://security.netapp.com/advisory/ntap-20180629-0001/
https://struts.apache.org/docs/s2-050.htmlPatch, Vendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170907-struts2Third Party Advisory
http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2017-003.txtThird Party Advisory
http://www.oracle.com/technetwork/security-advisory/alert-cve-2017-9805-3889403.htmlPatch, Third Party Advisory
http://www.securityfocus.com/bid/100612Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039261Third Party Advisory, VDB Entry
https://security.netapp.com/advisory/ntap-20180629-0001/
https://struts.apache.org/docs/s2-050.htmlPatch, Vendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170907-struts2Third Party Advisory

Timeline

Published: Sep 20, 2017
Last modified: Jun 17, 2026
NVD status: Modified

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