{ "data_type": "CVE", "data_format": "MITRE", "data_version": "4.0", "CVE_data_meta": { "ASSIGNER": "security@pivotal.io", "DATE_PUBLIC": "2020-08-12T02:35:17.000Z", "ID": "CVE-2020-5415", "STATE": "PUBLIC", "TITLE": "Concourse's GitLab auth allows impersonation" }, "source": { "discovery": "UNKNOWN" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Concourse", "version": { "version_data": [ { "version_affected": "<", "version_name": "6.4", "version_value": "6.4.1" }, { "version_affected": "<", "version_name": "6.3", "version_value": "6.3.1" } ] } } ] }, "vendor_name": "VMware Tanzu" } ] } }, "description": { "description_data": [ { "lang": "eng", "value": "Concourse, versions prior to 6.3.1 and 6.4.1, in installations which use the GitLab auth connector, is vulnerable to identity spoofing by way of configuring a GitLab account with the same full name as another user who is granted access to a Concourse team. GitLab groups do not have this vulnerability, so GitLab users may be moved into groups which are then configured in the Concourse team." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-290: Authentication Bypass by Spoofing" } ] } ] }, "references": { "reference_data": [ { "refsource": "CONFIRM", "url": "https://github.com/concourse/concourse/security/advisories/GHSA-627p-rr78-99rj", "name": "https://github.com/concourse/concourse/security/advisories/GHSA-627p-rr78-99rj" }, { "refsource": "CONFIRM", "url": "https://tanzu.vmware.com/security/cve-2020-5415", "name": "https://tanzu.vmware.com/security/cve-2020-5415" } ] }, "impact": { "cvss": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 10, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L", "version": "3.0" } } }