A vulnerability, which was classified as critical, was found in zhenfeng13 My-BBS 1.0. This affects the function Upload of the file src/main/java/com/my/bbs/controller/common/UploadController.java of the component Endpoint. The manipulation leads to unrestricted upload. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
Access control involves the use of several protection mechanisms such as:
When any mechanism is not applied or otherwise fails, attackers can compromise the security of the product by gaining privileges, reading sensitive information, executing commands, evading detection, etc. There are two distinct behaviors that can introduce access control weaknesses: