CWE-203: Observable Discrepancy
Also known as: Side Channel Attack
The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor.
Overview
CWE-203 (Observable Discrepancy) is a base-level software weakness catalogued by MITRE in the Common Weakness Enumeration (CWE). It describes a recurring type of mistake that can lead to exploitable security vulnerabilities.