Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') Affecting org.apache.commons:commons-beanutils2 package, versions [2.0.0-M1,2.0.0-M2)
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- published29 May 2025
- disclosed28 May 2025
- creditMuthukumar Marikani
Introduced: 28 May 2025
NewCVE-2025-48734 (opens in a new tab)How to fix?
Upgrade org.apache.commons:commons-beanutils2 to version 2.0.0-M2 or higher.
Overview
org.apache.commons:commons-beanutils2 is a package that 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 ('Unsafe Reflection') via the getProperty and getNestedProperty methods of the PropertyUtilsBean class. An attacker can execute arbitrary code by accessing the declaredClass property of Java enum objects, which allows access to the ClassLoader.
Note:
The BeanIntrospector class that can mitigate this vulnerability was added in version 1.9.2 but its usage was not enabled by default.