VNX-581 – Object Model Violation: Just One of Equals and Hashcode Defined

Overview

VNX-581 maps to CWE-581: Object Model Violation: Just One of Equals and Hashcode Defined. Detects source patterns associated with CWE-581 (Object Model Violation: Just One of Equals and Hashcode Defined). Each finding should be manually reviewed for exploitability in context.

Severity: Medium | CWE: CWE-581 | Languages: java

Why This Matters

This weakness class (Object Model Violation: Just One of Equals and Hashcode Defined) creates a concrete exploit surface: the rule searches for the concrete source-level patterns most commonly associated with CWE-581 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 'public boolean equals(' pattern
public boolean equals(

Remediation

  1. Review each flagged line and determine whether the pattern represents a real instance of CWE-581 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-581 comment on the line.
  4. Ensure equivalent test coverage exists to prevent regression.

References