{ "data_type": "CVE", "data_format": "MITRE", "data_version": "4.0", "CVE_data_meta": { "ID": "CVE-2020-13270", "ASSIGNER": "cve@gitlab.com", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "GitLab", "product": { "product_data": [ { "product_name": "GitLab", "version": { "version_data": [ { "version_value": ">=11.3, <12.9.8" }, { "version_value": ">=12.10, <12.10.7" }, { "version_value": ">=13.0, <13.0.1" } ] } } ] } } ] } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "Improper authorization in GitLab" } ] } ] }, "references": { "reference_data": [ { "name": "https://gitlab.com/gitlab-org/gitlab/-/issues/24648", "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/24648", "refsource": "MISC" }, { "name": "https://hackerone.com/reports/419977", "url": "https://hackerone.com/reports/419977", "refsource": "MISC" }, { "name": "https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13270.json", "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13270.json", "refsource": "CONFIRM" } ] }, "impact": { "cvss": { "vectorString": "AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "version": "3.1", "baseScore": 7.5, "baseSeverity": "HIGH" } }, "description": { "description_data": [ { "lang": "eng", "value": "Missing permission check on fork relation creation in GitLab CE/EE 11.3 and later through 13.0.1 allows guest users to create a fork relation on restricted public projects via API" } ] }, "credit": [ { "lang": "eng", "value": "Thanks @ashish_r_padelkar for reporting this vulnerability through our HackerOne bug bounty program" } ] }