CWE-179 Incorrect Behavior Order: Early Validation – Detailed Weakness Analysis

Explore CAPEC attack patterns referencing this CWE.

What is CWE (Common Weakness Enumeration)?

The Common Weakness Enumeration (CWE) is a community-developed list of common software and hardware weaknesses. By identifying these weaknesses, developers and security practitioners can prioritize and address potential vulnerabilities early in the development cycle. Explore our comprehensive CWE list below to better understand and mitigate common security issues.

CAPEC Patterns referencing CWE-179

Below is a list of CAPEC attack patterns associated with this CWE-179. Click on each CAPEC to learn more. The right column shows the related weaknesses (including this one).

CAPEC

Related Weaknesses

Using Leading 'Ghost' Character Sequences to Bypass Input Filters

CWE-20	Improper Input Validation
CWE-41	Improper Resolution of Path Equivalence
CWE-74	Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
CWE-172	Encoding Error
CWE-173	Improper Handling of Alternate Encoding
CWE-179	Incorrect Behavior Order: Early Validation
CWE-180	Incorrect Behavior Order: Validate Before Canonicalize
CWE-181	Incorrect Behavior Order: Validate Before Filter
CWE-183	Permissive List of Allowed Inputs
CWE-184	Incomplete List of Disallowed Inputs
CWE-697	Incorrect Comparison
CWE-707	Improper Neutralization

Exploiting Multiple Input Interpretation Layers

CWE-20	Improper Input Validation
CWE-74	Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
CWE-77	Improper Neutralization of Special Elements used in a Command ('Command Injection')
CWE-78	Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CWE-179	Incorrect Behavior Order: Early Validation
CWE-181	Incorrect Behavior Order: Validate Before Filter
CWE-183	Permissive List of Allowed Inputs
CWE-184	Incomplete List of Disallowed Inputs
CWE-697	Incorrect Comparison
CWE-707	Improper Neutralization

Using Unicode Encoding to Bypass Validation Logic

CWE-20	Improper Input Validation
CWE-74	Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
CWE-172	Encoding Error
CWE-173	Improper Handling of Alternate Encoding
CWE-176	Improper Handling of Unicode Encoding
CWE-179	Incorrect Behavior Order: Early Validation
CWE-180	Incorrect Behavior Order: Validate Before Canonicalize
CWE-183	Permissive List of Allowed Inputs
CWE-184	Incomplete List of Disallowed Inputs
CWE-692	Incomplete Denylist to Cross-Site Scripting
CWE-697	Incorrect Comparison

About CWE-179: Incorrect Behavior Order: Early Validation

CWE-179 is one of the established Common Weakness Enumerations that identifies a specific type of vulnerability in software. Detailed analysis of CWE-179 helps organizations understand the risks associated with this weakness and implement effective countermeasures.

Explore related attack patterns, best practices, and expert recommendations on this page. By understanding CWE-179, you can enhance your security posture and better protect your applications against exploitation.