RICOS in IBM Algo Credit Limits (aka ACLM) 4.5.0 through 4.7.0 before 4.7.0.03 FP5 in IBM Algorithmics relies on client-side input validation, which allows remote authenticated users to bypass intended dual-control restrictions and modify data via crafted serialized objects, as demonstrated by limit manipulations.
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.