{
    "containers": {
        "cna": {
            "affected": [
                {
                    "product": "1st Gen AMD EPYC™",
                    "vendor": "AMD",
                    "versions": [
                        {
                            "lessThan": "NaplesPI-SP3_1.0.0.G",
                            "status": "affected",
                            "version": "unspecified",
                            "versionType": "custom"
                        }
                    ]
                },
                {
                    "product": "2nd Gen AMD EPYC™",
                    "vendor": "AMD",
                    "versions": [
                        {
                            "lessThan": "RomePI-SP3_1.0.0.C",
                            "status": "affected",
                            "version": "unspecified",
                            "versionType": "custom"
                        }
                    ]
                },
                {
                    "product": "3rd Gen AMD EPYC™",
                    "vendor": "AMD",
                    "versions": [
                        {
                            "lessThan": "MilanPI-SP3_1.0.0.4",
                            "status": "affected",
                            "version": "unspecified",
                            "versionType": "custom"
                        }
                    ]
                }
            ],
            "datePublic": "2021-11-09T00:00:00.000Z",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "A side effect of an integrated chipset option may be able to be used by an attacker to bypass SPI ROM protections, allowing unauthorized SPI ROM modification."
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-693",
                            "description": "CWE-693 Protection Mechanism Failure",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "dateUpdated": "2021-11-16T18:11:02.000Z",
                "orgId": "b58fc414-a1e4-4f92-9d70-1add41838648",
                "shortName": "AMD"
            },
            "references": [
                {
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1021"
                }
            ],
            "source": {
                "advisory": "AMD-SB-1021",
                "discovery": "UNKNOWN"
            },
            "x_generator": {
                "engine": "Vulnogram 0.0.9"
            },
            "x_legacyV4Record": {
                "CVE_data_meta": {
                    "ASSIGNER": "psirt@amd.com",
                    "DATE_PUBLIC": "2021-11-09T20:00:00.000Z",
                    "ID": "CVE-2020-12954",
                    "STATE": "PUBLIC"
                },
                "affects": {
                    "vendor": {
                        "vendor_data": [
                            {
                                "product": {
                                    "product_data": [
                                        {
                                            "product_name": "1st Gen AMD EPYC™",
                                            "version": {
                                                "version_data": [
                                                    {
                                                        "version_affected": "<",
                                                        "version_value": "NaplesPI-SP3_1.0.0.G"
                                                    }
                                                ]
                                            }
                                        },
                                        {
                                            "product_name": "2nd Gen AMD EPYC™",
                                            "version": {
                                                "version_data": [
                                                    {
                                                        "version_affected": "<",
                                                        "version_value": "RomePI-SP3_1.0.0.C"
                                                    }
                                                ]
                                            }
                                        },
                                        {
                                            "product_name": "3rd Gen AMD EPYC™",
                                            "version": {
                                                "version_data": [
                                                    {
                                                        "version_affected": "<",
                                                        "version_value": "MilanPI-SP3_1.0.0.4"
                                                    }
                                                ]
                                            }
                                        }
                                    ]
                                },
                                "vendor_name": "AMD"
                            }
                        ]
                    }
                },
                "data_format": "MITRE",
                "data_type": "CVE",
                "data_version": "4.0",
                "description": {
                    "description_data": [
                        {
                            "lang": "eng",
                            "value": "A side effect of an integrated chipset option may be able to be used by an attacker to bypass SPI ROM protections, allowing unauthorized SPI ROM modification."
                        }
                    ]
                },
                "generator": {
                    "engine": "Vulnogram 0.0.9"
                },
                "problemtype": {
                    "problemtype_data": [
                        {
                            "description": [
                                {
                                    "lang": "eng",
                                    "value": "CWE-693 Protection Mechanism Failure"
                                }
                            ]
                        }
                    ]
                },
                "references": {
                    "reference_data": [
                        {
                            "name": "https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1021",
                            "refsource": "MISC",
                            "url": "https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1021"
                        }
                    ]
                },
                "source": {
                    "advisory": "AMD-SB-1021",
                    "discovery": "UNKNOWN"
                }
            }
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-04T12:11:18.706Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "tags": [
                            "x_refsource_MISC",
                            "x_transferred"
                        ],
                        "url": "https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1021"
                    }
                ]
            }
        ]
    },
    "cveMetadata": {
        "assignerOrgId": "b58fc414-a1e4-4f92-9d70-1add41838648",
        "assignerShortName": "AMD",
        "cveId": "CVE-2020-12954",
        "datePublished": "2021-11-16T18:11:02.785Z",
        "dateReserved": "2020-05-15T00:00:00.000Z",
        "dateUpdated": "2024-09-16T18:48:26.077Z",
        "state": "PUBLISHED"
    },
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1"
}