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Vulnerability record · CVE-2017-7672 · published 13 July 2017

CVE-2017-7672: Apache struts improper input validation vulnerability

Apache · Struts

If an application allows enter an 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. Solution is to upgrade to Apache Struts version 2.5.12.

5.9 CVSS 3.0 Medium EPSS 9.8% · top 4.6% CWE-20 · Improper input validation
5.9CVSS 3.0 base score, v2 4.3
9.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
12References
17 Jun 2026Last modified by NVD

Description

If an application allows enter an 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. Solution is to upgrade to Apache Struts version 2.5.12.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://struts.apache.org/docs/s2-047.html MitigationVendor Advisory
http://www.oracle.com/technetwork/security-advisory/alert-cve-2017-9805-3889403.html
http://www.securityfocus.com/bid/99563 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1039114
https://lists.apache.org/thread.html/3795c4dd46d9ec75f4a6eb9eca11c11edd3e796c6c1fd7b17b5dc50d%40%3Cannouncements.struts.
https://security.netapp.com/advisory/ntap-20180706-0002/
http://struts.apache.org/docs/s2-047.html MitigationVendor Advisory
http://www.oracle.com/technetwork/security-advisory/alert-cve-2017-9805-3889403.html
http://www.securityfocus.com/bid/99563 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1039114
https://lists.apache.org/thread.html/3795c4dd46d9ec75f4a6eb9eca11c11edd3e796c6c1fd7b17b5dc50d%40%3Cannouncements.struts.
https://security.netapp.com/advisory/ntap-20180706-0002/

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2017-7672), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.