Apache Commons Configuration uses a third-party library to parse YAML files which by default allows the instantiation of classes if the YAML includes special statements. Apache Commons Configuration versions 2.2, 2.3, 2.4, 2.5, 2.6 did not change the default settings of this library. So if a YAML file was loaded from an untrusted source, it could therefore load and execute code out of the control of the host application.
                
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References
        History
                    Tue, 15 Jul 2025 13:45:00 +0000
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 MITRE
                        MITRE
                    Status: PUBLISHED
Assigner: apache
Published: 2020-03-13T14:58:49
Updated: 2024-08-04T06:53:59.884Z
Reserved: 2019-12-02T00:00:00
Link: CVE-2020-1953
 Vulnrichment
                        Vulnrichment
                    No data.
 NVD
                        NVD
                    Status : Modified
Published: 2020-03-13T15:15:11.373
Modified: 2024-11-21T05:11:43.567
Link: CVE-2020-1953
 Redhat
                        Redhat