CWE-917: Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection')
ID
CWE-917
Abstraction
Base
Structure
Simple
Status
Incomplete
Number of CVEs
165
The product constructs all or part of an expression language (EL) statement in a framework such as a Java Server Page (JSP) using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended EL statement before it is executed.
Frameworks such as Java Server Page (JSP) allow a developer to insert executable expressions within otherwise-static content. When the developer is not aware of the executable nature of these expressions and/or does not disable them, then if an attacker can inject expressions, this could lead to code execution or other unexpected behaviors.
Modes of Introduction
| Phase | Note |
|---|---|
| Architecture and Design | |
| Implementation |
Applicable Platforms
| Type | Class | Name | Prevalence |
|---|---|---|---|
| Language | Java |
Relationships
| View | Weakness | |||||||
|---|---|---|---|---|---|---|---|---|
| # ID | View | Status | # ID | Name | Abstraction | Structure | Status | |
| CWE-1000 | Research Concepts | Draft | CWE-77 | Improper Neutralization of Special Elements used in a Command ('Command Injection') | Class | Simple | Draft | |
| CWE-1000 | Research Concepts | Draft | CWE-1336 | Improper Neutralization of Special Elements Used in a Template Engine | Base | Simple | Incomplete | |
| CWE-1003 | Weaknesses for Simplified Mapping of Published Vulnerabilities | Incomplete | CWE-74 | Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') | Class | Simple | Incomplete | |
| CWE-1305 | CISQ Quality Measures (2020) | Incomplete | CWE-77 | Improper Neutralization of Special Elements used in a Command ('Command Injection') | Class | Simple | Draft | |
| CWE-1340 | CISQ Data Protection Measures | Incomplete | CWE-77 | Improper Neutralization of Special Elements used in a Command ('Command Injection') | Class | Simple | Draft | |
CVEs Published
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 |
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