CWE-657 (违背安全设计原则) — Vulnerability Class 15

CWE-657 represents a critical architectural flaw where software violates established secure design principles, such as least privilege or defense in depth. This weakness is typically exploited by attackers who leverage systemic design oversights to bypass security controls, often gaining elevated privileges or accessing sensitive data through unintended pathways. Because the vulnerability is embedded in the foundational structure rather than isolated code snippets, exploitation can be straightforward and pervasive. Developers avoid this weakness by integrating security requirements early in the design phase, conducting rigorous threat modeling, and adhering to proven secure coding frameworks. Proactive architectural reviews and peer assessments help identify these structural deficiencies before implementation, ensuring that security is inherent to the system’s design rather than added as an afterthought, thereby reducing the resource-intensive effort required to remediate fundamental flaws later in the development lifecycle.