{
    "containers": {
        "cna": {
            "affected": [
                {
                    "defaultStatus": "unaffected",
                    "product": "OPC Drivers",
                    "vendor": "IOServer",
                    "versions": [
                        {
                            "lessThanOrEqual": "1.0.20",
                            "status": "affected",
                            "version": "0",
                            "versionType": "custom"
                        }
                    ]
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "type": "finder",
                    "value": "Chris Sistrunk of Mandiant and Adam Crain of Automatak"
                }
            ],
            "datePublic": "2014-04-10T06:00:00.000Z",
            "descriptions": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "<p>The Modbus slave/outstation driver in the OPC Drivers 1.0.20 and earlier in IOServer OPC Server allows remote attackers to cause a denial of service (out-of-bounds read and daemon crash) via a crafted packet.</p>"
                        }
                    ],
                    "value": "The Modbus slave/outstation driver in the OPC Drivers 1.0.20 and earlier in IOServer OPC Server allows remote attackers to cause a denial of service (out-of-bounds read and daemon crash) via a crafted packet."
                }
            ],
            "metrics": [
                {
                    "cvssV2_0": {
                        "accessComplexity": "MEDIUM",
                        "accessVector": "NETWORK",
                        "authentication": "NONE",
                        "availabilityImpact": "COMPLETE",
                        "baseScore": 8.3,
                        "confidentialityImpact": "PARTIAL",
                        "integrityImpact": "PARTIAL",
                        "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:C",
                        "version": "2.0"
                    },
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ]
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-125",
                            "description": "CWE-125",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
                "shortName": "icscert",
                "dateUpdated": "2025-09-24T21:14:59.224Z"
            },
            "references": [
                {
                    "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-14-100-01"
                },
                {
                    "url": "http://www.ioserver.com/"
                }
            ],
            "solutions": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "<p>IOServer has produced a new version that mitigates the vulnerability.\n The new version, Beta2112.exe, is available for download here:&nbsp;<a target=\"_blank\" rel=\"nofollow\" href=\"http://www.ioserver.com/\">http://www.ioserver.com/</a></p>\n\n<br>"
                        }
                    ],
                    "value": "IOServer has produced a new version that mitigates the vulnerability.\n The new version, Beta2112.exe, is available for download here:  http://www.ioserver.com/"
                }
            ],
            "source": {
                "advisory": "ICSA-14-100-01",
                "discovery": "EXTERNAL"
            },
            "title": "OServer Out of Bounds Read",
            "x_generator": {
                "engine": "Vulnogram 0.2.0"
            },
            "x_legacyV4Record": {
                "CVE_data_meta": {
                    "ASSIGNER": "ics-cert@hq.dhs.gov",
                    "ID": "CVE-2014-0777",
                    "STATE": "PUBLIC"
                },
                "affects": {
                    "vendor": {
                        "vendor_data": [
                            {
                                "product": {
                                    "product_data": [
                                        {
                                            "product_name": "n/a",
                                            "version": {
                                                "version_data": [
                                                    {
                                                        "version_value": "n/a"
                                                    }
                                                ]
                                            }
                                        }
                                    ]
                                },
                                "vendor_name": "n/a"
                            }
                        ]
                    }
                },
                "data_format": "MITRE",
                "data_type": "CVE",
                "data_version": "4.0",
                "description": {
                    "description_data": [
                        {
                            "lang": "eng",
                            "value": "The Modbus slave/outstation driver in the OPC Drivers 1.0.20 and earlier in IOServer OPC Server allows remote attackers to cause a denial of service (out-of-bounds read and daemon crash) via a crafted packet."
                        }
                    ]
                },
                "problemtype": {
                    "problemtype_data": [
                        {
                            "description": [
                                {
                                    "lang": "eng",
                                    "value": "n/a"
                                }
                            ]
                        }
                    ]
                },
                "references": {
                    "reference_data": [
                        {
                            "name": "http://ics-cert.us-cert.gov/advisories/ICSA-14-100-01",
                            "refsource": "MISC",
                            "url": "http://ics-cert.us-cert.gov/advisories/ICSA-14-100-01"
                        }
                    ]
                }
            }
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-06T09:27:19.502Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "tags": [
                            "x_refsource_MISC",
                            "x_transferred"
                        ],
                        "url": "http://ics-cert.us-cert.gov/advisories/ICSA-14-100-01"
                    }
                ]
            }
        ]
    },
    "cveMetadata": {
        "assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
        "assignerShortName": "icscert",
        "cveId": "CVE-2014-0777",
        "datePublished": "2014-04-11T16:00:00.000Z",
        "dateReserved": "2014-01-02T00:00:00.000Z",
        "dateUpdated": "2025-09-24T21:14:59.224Z",
        "state": "PUBLISHED"
    },
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1"
}