Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2008-6504

Severity CVSS v4.0:
Pending analysis
Type:
CWE-20 Input Validation
Publication date:
23/03/2009
Last modified:
09/04/2025

Description

ParametersInterceptor in OpenSymphony XWork 2.0.x before 2.0.6 and 2.1.x before 2.1.2, as used in Apache Struts and other products, does not properly restrict # (pound sign) references to context objects, which allows remote attackers to execute Object-Graph Navigation Language (OGNL) statements and modify server-side context objects, as demonstrated by use of a \u0023 representation for the # character.

Impact

Vector 2.0
AV:N/AC:L/Au:N/C:N/I:P/A:N CVSS v2.0 Severity and Metrics:

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

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

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:opensymphony:xwork:2.0.0:*:*:*:*:*:*:*
cpe:2.3:a:opensymphony:xwork:2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:opensymphony:xwork:2.0.2:*:*:*:*:*:*:*
cpe:2.3:a:opensymphony:xwork:2.0.3:*:*:*:*:*:*:*
cpe:2.3:a:opensymphony:xwork:2.0.4:*:*:*:*:*:*:*
cpe:2.3:a:opensymphony:xwork:2.0.5:*:*:*:*:*:*:*
cpe:2.3:a:opensymphony:xwork:2.1.0:*:*:*:*:*:*:*
cpe:2.3:a:opensymphony:xwork:2.1.1:*:*:*:*:*:*:*
cpe:2.3:a:apache:struts:2.0.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:struts:2.0.2:*:*:*:*:*:*:*
cpe:2.3:a:apache:struts:2.0.3:*:*:*:*:*:*:*
cpe:2.3:a:apache:struts:2.0.4:*:*:*:*:*:*:*
cpe:2.3:a:apache:struts:2.0.5:*:*:*:*:*:*:*
cpe:2.3:a:apache:struts:2.0.6:*:*:*:*:*:*:*
cpe:2.3:a:apache:struts:2.0.7:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools