Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applicationsUpgrade commons-beanutils:commons-beanutils to version 1.9.2 or higher.
commons-beanutils:commons-beanutils is a provides an easy-to-use but flexible wrapper around reflection and introspection.
Affected versions of this package are vulnerable to Use of Externally-Controlled Input to Select Classes or Code. It does not suppress the class property, which allows remote attackers to manipulate the ClassLoader and execute arbitrary code via the class parameter, as demonstrated by the passing of this parameter to the getClass method of the ActionForm object in Struts 1.
Note:
In version 1.9.2 now a special BeanIntrospector class was added which allows suppressing this property. Note that this BeanIntrospector is NOT enabled by default! Commons BeanUtils is a low-level library, and on this layer it cannot be decided whether access to a certain property is legal or not. Therefore, an application has to activate this suppressing BeanIntrospector explicitly.