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CVE-2017-9804

Severity CVSS v4.0:
Pending analysis
Type:
CWE-20 Input Validation
Publication date:
20/09/2017
Last modified:
20/04/2025

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.

Impact

Vector 3.x
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
7.50
Severity 3.x
HIGH
Vector 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:apache:struts:2.3.7:*:*:*:*:*:*:*
cpe:2.3:a:apache:struts:2.3.8:*:*:*:*:*:*:*
cpe:2.3:a:apache:struts:2.3.9:*:*:*:*:*:*:*
cpe:2.3:a:apache:struts:2.3.10:*:*:*:*:*:*:*
cpe:2.3:a:apache:struts:2.3.11:*:*:*:*:*:*:*
cpe:2.3:a:apache:struts:2.3.12:*:*:*:*:*:*:*
cpe:2.3:a:apache:struts:2.3.13:*:*:*:*:*:*:*
cpe:2.3:a:apache:struts:2.3.14:*:*:*:*:*:*:*
cpe:2.3:a:apache:struts:2.3.14.1:*:*:*:*:*:*:*
cpe:2.3:a:apache:struts:2.3.14.2:*:*:*:*:*:*:*
cpe:2.3:a:apache:struts:2.3.14.3:*:*:*:*:*:*:*
cpe:2.3:a:apache:struts:2.3.15:*:*:*:*:*:*:*
cpe:2.3:a:apache:struts:2.3.15.1:*:*:*:*:*:*:*
cpe:2.3:a:apache:struts:2.3.15.2:*:*:*:*:*:*:*
cpe:2.3:a:apache:struts:2.3.15.3:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools