{
    "containers": {
        "cna": {
            "affected": [
                {
                    "product": "n/a",
                    "vendor": "n/a",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "n/a"
                        }
                    ]
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "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."
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "HIGH",
                        "attackVector": "LOCAL",
                        "availabilityImpact": "NONE",
                        "baseScore": 7.5,
                        "baseSeverity": "HIGH",
                        "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"
                    }
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "description": "n/a",
                            "lang": "en",
                            "type": "text"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "dateUpdated": "2021-07-18T05:06:18.000Z",
                "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
                "shortName": "mitre"
            },
            "references": [
                {
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://dovecot.org/security"
                },
                {
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://www.openwall.com/lists/oss-security/2021/06/28/1"
                },
                {
                    "name": "FEDORA-2021-208340a217",
                    "tags": [
                        "vendor-advisory",
                        "x_refsource_FEDORA"
                    ],
                    "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JB2VTJ3G2ILYWH5Y2FTY2PUHT2MD6VMI/"
                },
                {
                    "name": "FEDORA-2021-891c1ab1ac",
                    "tags": [
                        "vendor-advisory",
                        "x_refsource_FEDORA"
                    ],
                    "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TK424DWFO2TKJYXZ2H3XL633TYJL4GQN/"
                },
                {
                    "name": "GLSA-202107-41",
                    "tags": [
                        "vendor-advisory",
                        "x_refsource_GENTOO"
                    ],
                    "url": "https://security.gentoo.org/glsa/202107-41"
                }
            ],
            "x_legacyV4Record": {
                "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."
                        }
                    ]
                },
                "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"
                    }
                },
                "problemtype": {
                    "problemtype_data": [
                        {
                            "description": [
                                {
                                    "lang": "eng",
                                    "value": "n/a"
                                }
                            ]
                        }
                    ]
                },
                "references": {
                    "reference_data": [
                        {
                            "name": "https://dovecot.org/security",
                            "refsource": "MISC",
                            "url": "https://dovecot.org/security"
                        },
                        {
                            "name": "https://www.openwall.com/lists/oss-security/2021/06/28/1",
                            "refsource": "CONFIRM",
                            "url": "https://www.openwall.com/lists/oss-security/2021/06/28/1"
                        },
                        {
                            "name": "FEDORA-2021-208340a217",
                            "refsource": "FEDORA",
                            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JB2VTJ3G2ILYWH5Y2FTY2PUHT2MD6VMI/"
                        },
                        {
                            "name": "FEDORA-2021-891c1ab1ac",
                            "refsource": "FEDORA",
                            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TK424DWFO2TKJYXZ2H3XL633TYJL4GQN/"
                        },
                        {
                            "name": "GLSA-202107-41",
                            "refsource": "GENTOO",
                            "url": "https://security.gentoo.org/glsa/202107-41"
                        }
                    ]
                }
            }
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-03T22:02:51.122Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "tags": [
                            "x_refsource_MISC",
                            "x_transferred"
                        ],
                        "url": "https://dovecot.org/security"
                    },
                    {
                        "tags": [
                            "x_refsource_CONFIRM",
                            "x_transferred"
                        ],
                        "url": "https://www.openwall.com/lists/oss-security/2021/06/28/1"
                    },
                    {
                        "name": "FEDORA-2021-208340a217",
                        "tags": [
                            "vendor-advisory",
                            "x_refsource_FEDORA",
                            "x_transferred"
                        ],
                        "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JB2VTJ3G2ILYWH5Y2FTY2PUHT2MD6VMI/"
                    },
                    {
                        "name": "FEDORA-2021-891c1ab1ac",
                        "tags": [
                            "vendor-advisory",
                            "x_refsource_FEDORA",
                            "x_transferred"
                        ],
                        "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TK424DWFO2TKJYXZ2H3XL633TYJL4GQN/"
                    },
                    {
                        "name": "GLSA-202107-41",
                        "tags": [
                            "vendor-advisory",
                            "x_refsource_GENTOO",
                            "x_transferred"
                        ],
                        "url": "https://security.gentoo.org/glsa/202107-41"
                    }
                ]
            }
        ]
    },
    "cveMetadata": {
        "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "assignerShortName": "mitre",
        "cveId": "CVE-2021-29157",
        "datePublished": "2021-06-28T11:58:41.000Z",
        "dateReserved": "2021-03-25T00:00:00.000Z",
        "dateUpdated": "2024-08-03T22:02:51.122Z",
        "state": "PUBLISHED"
    },
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1"
}