CVE-2023-50571
Java vulnerability analysis and mitigation

Overview

easy-rules-mvel version 4.1.0 contains a remote code execution (RCE) vulnerability in the MVELRule component. The vulnerability was discovered and disclosed on December 29, 2023, and has been assigned CVE-2023-50571. The vulnerability affects the easy-rules-mvel package version 4.1.0 (NVD, CVE).

Technical details

The vulnerability exists in the MVELRule component and can be triggered through both the 'then' and 'when' methods. When a malicious class is present in the classpath, the vulnerability allows for arbitrary code execution. The severity is rated as HIGH with a CVSS v3.1 base score of 7.8 (Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) (NVD).

Impact

Successful exploitation of this vulnerability allows attackers to execute arbitrary code on the affected system. This could lead to complete system compromise, including the ability to run system commands with the privileges of the application (GitHub Issue).

Additional resources


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