CWE-1109: Use of Same Variable for Multiple Purposes
Description
The code contains a callable, block, or other code element in which the same variable is used to control more than one unique task or store more than one instance of data.
- Abstraction
- BaseA weakness specific enough to point to detection and prevention methods.
- Likelihood of exploit
- Not rated by MITRE
- Status
- Incomplete
Common consequences
- Other
Reduce Maintainability
This issue makes it more difficult to maintain the product, which indirectly affects security by making it more difficult or time-consuming to find and/or fix vulnerabilities. It also might make it easier to introduce vulnerabilities.
- Other
Increase Analytical Complexity
Use of the same variable for multiple purposes can make it more difficult for a person to read or understand the code, potentially hiding other quality issues.
Related weaknesses
Parent weaknesses
CAPEC attack patterns that exploit it
CWE 4.20 links no CAPEC attack pattern to this weakness.