{
    "containers": {
        "cna": {
            "affected": [
                {
                    "product": "GitLab",
                    "vendor": "GitLab",
                    "versions": [
                        {
                            "status": "affected",
                            "version": ">=14.8, <14.8.2"
                        },
                        {
                            "status": "affected",
                            "version": ">=14.7, <14.7.4"
                        },
                        {
                            "status": "affected",
                            "version": ">=13.0, <14.6.5"
                        }
                    ]
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Thanks @mungsul and @todb-r7 for reporting this vulnerability through our HackerOne bug bounty program."
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "An issue has been discovered in GitLab CE/EE affecting versions 13.0 to 14.6.5, 14.7 to 14.7.4, and 14.8 to 14.8.2. Private GitLab instances with restricted sign-ups may be vulnerable to user enumeration to unauthenticated users through the GraphQL API."
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "LOW",
                        "attackVector": "NETWORK",
                        "availabilityImpact": "NONE",
                        "baseScore": 5.3,
                        "baseSeverity": "MEDIUM",
                        "confidentialityImpact": "LOW",
                        "integrityImpact": "NONE",
                        "privilegesRequired": "NONE",
                        "scope": "UNCHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
                        "version": "3.1"
                    }
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "description": "Information exposure in GitLab",
                            "lang": "en",
                            "type": "text"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "dateUpdated": "2022-03-28T18:53:12",
                "orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
                "shortName": "GitLab"
            },
            "references": [
                {
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/343898"
                },
                {
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://hackerone.com/reports/1089609"
                },
                {
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4191.json"
                }
            ],
            "x_legacyV4Record": {
                "CVE_data_meta": {
                    "ASSIGNER": "cve@gitlab.com",
                    "ID": "CVE-2021-4191",
                    "STATE": "PUBLIC"
                },
                "affects": {
                    "vendor": {
                        "vendor_data": [
                            {
                                "product": {
                                    "product_data": [
                                        {
                                            "product_name": "GitLab",
                                            "version": {
                                                "version_data": [
                                                    {
                                                        "version_value": ">=14.8, <14.8.2"
                                                    },
                                                    {
                                                        "version_value": ">=14.7, <14.7.4"
                                                    },
                                                    {
                                                        "version_value": ">=13.0, <14.6.5"
                                                    }
                                                ]
                                            }
                                        }
                                    ]
                                },
                                "vendor_name": "GitLab"
                            }
                        ]
                    }
                },
                "credit": [
                    {
                        "lang": "eng",
                        "value": "Thanks @mungsul and @todb-r7 for reporting this vulnerability through our HackerOne bug bounty program."
                    }
                ],
                "data_format": "MITRE",
                "data_type": "CVE",
                "data_version": "4.0",
                "description": {
                    "description_data": [
                        {
                            "lang": "eng",
                            "value": "An issue has been discovered in GitLab CE/EE affecting versions 13.0 to 14.6.5, 14.7 to 14.7.4, and 14.8 to 14.8.2. Private GitLab instances with restricted sign-ups may be vulnerable to user enumeration to unauthenticated users through the GraphQL API."
                        }
                    ]
                },
                "impact": {
                    "cvss": {
                        "attackComplexity": "LOW",
                        "attackVector": "NETWORK",
                        "availabilityImpact": "NONE",
                        "baseScore": 5.3,
                        "baseSeverity": "MEDIUM",
                        "confidentialityImpact": "LOW",
                        "integrityImpact": "NONE",
                        "privilegesRequired": "NONE",
                        "scope": "UNCHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
                        "version": "3.1"
                    }
                },
                "problemtype": {
                    "problemtype_data": [
                        {
                            "description": [
                                {
                                    "lang": "eng",
                                    "value": "Information exposure in GitLab"
                                }
                            ]
                        }
                    ]
                },
                "references": {
                    "reference_data": [
                        {
                            "name": "https://gitlab.com/gitlab-org/gitlab/-/issues/343898",
                            "refsource": "MISC",
                            "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/343898"
                        },
                        {
                            "name": "https://hackerone.com/reports/1089609",
                            "refsource": "MISC",
                            "url": "https://hackerone.com/reports/1089609"
                        },
                        {
                            "name": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4191.json",
                            "refsource": "CONFIRM",
                            "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4191.json"
                        }
                    ]
                }
            }
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-03T17:16:04.293Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "tags": [
                            "x_refsource_MISC",
                            "x_transferred"
                        ],
                        "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/343898"
                    },
                    {
                        "tags": [
                            "x_refsource_MISC",
                            "x_transferred"
                        ],
                        "url": "https://hackerone.com/reports/1089609"
                    },
                    {
                        "tags": [
                            "x_refsource_CONFIRM",
                            "x_transferred"
                        ],
                        "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4191.json"
                    }
                ]
            }
        ]
    },
    "cveMetadata": {
        "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
        "assignerShortName": "GitLab",
        "cveId": "CVE-2021-4191",
        "datePublished": "2022-03-28T18:53:12",
        "dateReserved": "2021-12-30T00:00:00",
        "dateUpdated": "2024-08-03T17:16:04.293Z",
        "state": "PUBLISHED"
    },
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1"
}