CWE-440 (Expected Behavior Violation) is a common software weakness type identified by the CWE (Common Weakness Enumeration) dictionary. It helps developers understand security flaws and how to mitigate them.

What is the difference between CVE and CWE?

CWE refers to the type of software weakness (the root cause), while CVE refers to a specific instance of a vulnerability in a particular product or system.

CWE-440

Expected Behavior Violation

Weakness Description

A feature, API, or function does not perform according to its specification.

Common Consequences

Other

Quality DegradationVaries by Context

Related Weaknesses

CWE-684

Related Resources

Browse CWE Database

Explore 493 software weaknesses

CVE Database

Search 294,000+ vulnerabilities

Security Writeups

Learn from real-world examples

About 4nuxd

Cybersecurity research & tools

Contact Us

Get in touch for collaboration

Homepage

Explore more security resources