cvelist/2020/8xxx/CVE-2020-8335.json

{
    "CVE_data_meta": {
        "ASSIGNER": "psirt@lenovo.com",
        "DATE_PUBLIC": "2020-09-01T21:00:00.000Z",
        "ID": "CVE-2020-8335",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "ThinkPad A285 BIOS",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_value": "r0xuj70w"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "ThinkPad A485 BIOS",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_value": "r0wuj65w"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "ThinkPad T495 BIOS",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_value": "r12uj55w"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "ThinkPad T495s/X395 BIOS",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_value": "r13uj47w"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Lenovo"
                }
            ]
        }
    },
    "credit": [
        {
            "lang": "eng",
            "value": "Lenovo thanks Zoltan Harmath for reporting this issue."
        }
    ],
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "The BIOS tamper detection mechanism was not triggered in Lenovo ThinkPad A285, BIOS versions up to r0xuj70w; A485, BIOS versions up to r0wuj65w; T495 BIOS versions up to r12uj55w; T495s/X395, BIOS versions up to r13uj47w, while the emergency-reset button is pressed which may allow for unauthorized access."
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "impact": {
        "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "PHYSICAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.1,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "unauthorized access"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "url": "https://support.lenovo.com/us/en/product_security/LEN-30042",
                "name": "https://support.lenovo.com/us/en/product_security/LEN-30042"
            }
        ]
    },
    "solution": [
        {
            "lang": "eng",
            "value": "Update BIOS to the following BIOS versions (or later): Lenovo ThinkPad A285: r0xuj70w ; A485: r0wuj65w ; T495: r12uj55w ; T495s/X395: r13uj47w"
        }
    ],
    "source": {
        "advisory": "LEN-30042",
        "discovery": "UNKNOWN"
    }
}