cvelist/2021/29xxx/CVE-2021-29157.json

{
    "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2021-29157",
        "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": "Dovecot before 2.3.15 allows ../ Path Traversal. An attacker with access to the local filesystem can trick OAuth2 authentication into using an HS256 validation key from an attacker-controlled location. This occurs during use of local JWT validation with the posix fs driver."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "url": "https://dovecot.org/security",
                "refsource": "MISC",
                "name": "https://dovecot.org/security"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://www.openwall.com/lists/oss-security/2021/06/28/1",
                "url": "https://www.openwall.com/lists/oss-security/2021/06/28/1"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2021-208340a217",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JB2VTJ3G2ILYWH5Y2FTY2PUHT2MD6VMI/"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2021-891c1ab1ac",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TK424DWFO2TKJYXZ2H3XL633TYJL4GQN/"
            },
            {
                "refsource": "GENTOO",
                "name": "GLSA-202107-41",
                "url": "https://security.gentoo.org/glsa/202107-41"
            }
        ]
    },
    "impact": {
        "cvss": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AC:H/AV:L/A:N/C:H/I:H/PR:L/S:C/UI:N",
            "version": "3.1"
        }
    }
}