CVE-2011-3923 Apache Struts “ParametersInterceptor” Remote Code Execution Vulnerability (S2-009)

漏洞类别:Web Application



Apache Struts is a framework for building web applications.

Apache Struts on the target web application was found to be vulnerable to a remote code execution vulnerability as described in Security Bulletin S2-009. The assigned CVE ID is CVE-2011-3923.
The vulnerability exists due to regular expression in ParametersInterceptor matches top[‘foo’](0) as a valid expression, which OGNL treats as (top[‘foo’])(0) and evaluates the value of ‘foo’ action parameter as an OGNL expression.

Affected software:
Struts 2.0.0 – Struts


A remote attacker could exploit this vulnerability to execute arbitrary code.


Upgrade to the latest version of the Apache Struts 2 framework to fix this issue. For more details, please refer to Apache Security Bulletin S2-009.

Following are links for downloading patches to fix the vulnerabilities:

Struts 2 download (Struts2)

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