Logic flaw in SANnav Java cache key handling object comparison handling

{
                    "vendor": "Brocade",
                    "product": "SANnav",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "0",
                            "lessThan": "3.1.0a",
                            "changes": [
                                {
                                    "at": "3.1.0a",
                                    "status": "unaffected"
                                }
                            ],
                            "versionType": "Brocade SANnav"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }