CVE-2017-9804

high Apache
CVSS v3 Base Score
7.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
4.6%
Exploitation probability in 30 days
Top 11% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Confidentiality
None
Integrity
None
Availability
High
Published: September 20, 2017 (3158 days ago)
Last Modified: May 13, 2026
Vendor: Apache
Source: NVD

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.

CWE

CWE-20

Affected Products

apache struts

References

🔗 www.arubanetworks.com 🔗 www.oracle.com 🔗 www.securityfocus.com 🔗 www.securitytracker.com 🔗 security.netapp.com