VNX-681 – Incorrect Conversion between Numeric Types

Overview

VNX-681 maps to CWE-681: Incorrect Conversion between Numeric Types. Detects source patterns associated with CWE-681 (Incorrect Conversion between Numeric Types). Each finding should be manually reviewed for exploitability in context.

Severity: Medium | CWE: CWE-681 | Languages: c, cpp, java

Why This Matters

This weakness class (Incorrect Conversion between Numeric Types) creates a concrete exploit surface: the rule searches for the concrete source-level patterns most commonly associated with CWE-681 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 '(int)' pattern
(int)

Remediation

  1. Review each flagged line and determine whether the pattern represents a real instance of CWE-681 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-681 comment on the line.
  4. Ensure equivalent test coverage exists to prevent regression.

References