EternalBlue
Remote code execution via SMBv1 buffer overflow, exploited by WannaCry
Severity CVSS
HIGH 8.1
Exploitation Shoulder
No known exploits
Fix available
Unknown
Should I care?
This matters if:
- Apps processing complex user input (files, forms, APIs)
- Endpoints without schema validation
Not relevant if:
- All inputs are validated against schemas
- You use strict type checking at boundaries
How it breaks apps
1
Malformed input reaches parser
2
Validation is missing or weak
3
Unexpected behavior triggered
4
Crash, bypass, or code execution
Is this in your code?
Shoulder scans your codebase and tells you if CVE-2017-0144 is reachable — not just present.
npx @shoulderdev/cli trust .
Technical details
Risk by Environment
Production (public-facing)
HIGH
Patch soon. Exploitation requires specific conditions but impact is severe.
Staging
MEDIUM
Schedule patch. Review if this environment is network-accessible.
Internal services
MEDIUM
Assess exposure. Patch if the service handles sensitive data.
Local dev only
LOW
Minimal risk in isolated dev environments.
AI Development Risk
This vulnerability pattern is commonly introduced when AI generates code.
CWE-20
Improper input validation
LLMs routinely skip input validation, trusting that callers will provide well-formed data.