CWE-177: Improper Handling of URL Encoding (Hex Encoding)

ID CWE-177

Abstraction Variant

Structure Simple

Status Draft

Number of CVEs 3

The product does not properly handle when all or part of an input has been URL encoded.

Modes of Introduction

Phase	Note
Implementation

Applicable Platforms

Type	Class	Name	Prevalence
Language	Not Language-Specific

Relationships

View			Weakness
# ID	View	Status	# ID	Name	Abstraction	Structure	Status
CWE-1000	Research Concepts	Draft	CWE-172	Encoding Error	Class	Simple	Draft

Common Attack Pattern Enumeration and Classification (CAPEC)

The Common Attack Pattern Enumeration and Classification (CAPEC™) effort provides a publicly available catalog of common attack patterns that helps users understand how adversaries exploit weaknesses in applications and other cyber-enabled capabilities.

CAPEC at Mitre.org

# ID	Name	Weaknesses
CAPEC-64	Using Slashes and URL Encoding Combined to Bypass Validation Logic	CWE-177
CAPEC-72	URL Encoding	CWE-177
CAPEC-120	Double Encoding	CWE-177
CAPEC-468	Generic Cross-Browser Cross-Domain Theft	CWE-177

CVEs Published

Based on CVE published date

CVSS Severity

CVSS Severity - By Year

CVSS Base Score

# CVE	Description	CVSS	EPSS	EPSS Trend (30 days)	Affected Products	Weaknesses	Security Advisories	Exploits	PoC	Pubblication Date	Modification Date
# CVE	Description	CVSS	EPSS	EPSS Trend (30 days)	Affected Products	Weaknesses	Security Advisories	PoC	Pubblication Date	Modification Date