Description
MuleSoft is aware of a Server Side Request Forgery vulnerability affecting certain versions of a Mule runtime component that may affect both CloudHub and on-premise customers. This affects: Mule 3.8.x,3.9.x,4.x runtime released before February 2, 2021.
Remediation
References
https://help.salesforce.com/articleView?id=000357383&type=1&mode=1