An issue was discovered in AdaCore adawebservices 20.0 allows an attacker to escalate privileges and steal sessions via the RandomString() function in the src/core/aws-utils.adb module.
AdaCore Ada Web Services (AWS) before 2.10.2 computes hash values for form parameters without restricting the ability to trigger hash collisions predictably, which allows remote attackers to cause a denial of service (CPU consumption) by sending many crafted parameters.