VNX-431 – Missing Handler

Overview

VNX-431 maps to CWE-431: Missing Handler. Detects source patterns associated with CWE-431 (Missing Handler). Each finding should be manually reviewed for exploitability in context.

Severity: Low | CWE: CWE-431 | Languages: java

Why This Matters

This weakness class (Missing Handler) creates a concrete exploit surface: the rule searches for the concrete source-level patterns most commonly associated with CWE-431 and surfaces them for review. Each finding should be evaluated in context — the rule catches the pattern, not the context.

What Gets Flagged

// FLAGGED: contains '@ExceptionHandler' pattern
@ExceptionHandler

Remediation

  1. Review each flagged line and determine whether the pattern represents a real instance of CWE-431 or a false positive.
  2. Replace the flagged construct with a documented safe alternative appropriate to your language and framework.
  3. For confirmed false positives, add a # vulnetix-ignore: VNX-431 comment on the line.
  4. Ensure equivalent test coverage exists to prevent regression.

References