{"api_version":"1","generated_at":"2026-07-24T00:33:27+00:00","cve":"CVE-2021-39941","urls":{"html":"https://cve.report/CVE-2021-39941","api":"https://cve.report/api/cve/CVE-2021-39941.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-39941","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-39941"},"summary":{"title":"CVE-2021-39941","description":"An information disclosure vulnerability in GitLab CE/EE versions 12.0 to 14.3.6, 14.4 to 14.4.4, and 14.5 to 14.5.2 allowed non-project members to see the default branch name for projects that restrict access to the repository to project members","state":"PUBLIC","assigner":"cve@gitlab.com","published_at":"2021-12-13 16:15:00","updated_at":"2021-12-15 17:49:00"},"problem_types":["CWE-200"],"metrics":[],"references":[{"url":"https://hackerone.com/reports/706361","name":"https://hackerone.com/reports/706361","refsource":"MISC","tags":[],"title":"HackerOne","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39941.json","name":"https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39941.json","refsource":"CONFIRM","tags":[],"title":"2021/CVE-2021-39941.json · master · GitLab.org / cves · GitLab","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://gitlab.com/gitlab-org/gitlab/-/issues/33864","name":"https://gitlab.com/gitlab-org/gitlab/-/issues/33864","refsource":"MISC","tags":[],"title":"Not Found","mime":"text/html","httpstatus":"404","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-39941","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-39941","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"LEGACY","value":"Thanks @ashish_r_padelkar for reporting this vulnerability through our HackerOne bug bounty program","lang":""}],"nvd_cpes":[{"cve_year":"2021","cve_id":"39941","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"gitlab","cpe5":"gitlab","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"community","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"39941","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"gitlab","cpe5":"gitlab","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"enterprise","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2021-39941","qid":"690733","title":"Free Berkeley Software Distribution (FreeBSD) Security Update for gitlab (b299417a-5725-11ec-a587-001b217b3468)"}]},"source_records":{"cve_program":{"data_type":"CVE","data_format":"MITRE","data_version":"4.0","CVE_data_meta":{"ID":"CVE-2021-39941","ASSIGNER":"cve@gitlab.com","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"vendor_name":"GitLab","product":{"product_data":[{"product_name":"GitLab","version":{"version_data":[{"version_value":">=12.0, <14.3.6"},{"version_value":">=14.4, <14.4.4"},{"version_value":">=14.5, <14.5.2"}]}}]}}]}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Information exposure in GitLab"}]}]},"references":{"reference_data":[{"name":"https://gitlab.com/gitlab-org/gitlab/-/issues/33864","url":"https://gitlab.com/gitlab-org/gitlab/-/issues/33864","refsource":"MISC"},{"name":"https://hackerone.com/reports/706361","url":"https://hackerone.com/reports/706361","refsource":"MISC"},{"name":"https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39941.json","url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39941.json","refsource":"CONFIRM"}]},"description":{"description_data":[{"lang":"eng","value":"An information disclosure vulnerability in GitLab CE/EE versions 12.0 to 14.3.6, 14.4 to 14.4.4, and 14.5 to 14.5.2 allowed non-project members to see the default branch name for projects that restrict access to the repository to project members"}]},"impact":{"cvss":{"vectorString":"AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","version":"3.1","baseScore":3.6,"baseSeverity":"LOW"}},"credit":[{"lang":"eng","value":"Thanks @ashish_r_padelkar for reporting this vulnerability through our HackerOne bug bounty program"}]},"nvd":{"publishedDate":"2021-12-13 16:15:00","lastModifiedDate":"2021-12-15 17:49:00","problem_types":["CWE-200"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM"},"exploitabilityScore":3.9,"impactScore":1.4},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:N/A:N","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":5},"severity":"MEDIUM","exploitabilityScore":10,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*","versionStartIncluding":"14.4.0","versionEndExcluding":"14.4.4","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*","versionStartIncluding":"14.4.0","versionEndExcluding":"14.4.4","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*","versionStartIncluding":"14.5.0","versionEndExcluding":"14.5.2","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*","versionStartIncluding":"14.5.0","versionEndExcluding":"14.5.2","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*","versionStartIncluding":"12.0.0","versionEndExcluding":"14.3.6","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*","versionStartIncluding":"12.0.0","versionEndExcluding":"14.3.6","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"39941","Ordinal":"215647","Title":"CVE-2021-39941","CVE":"CVE-2021-39941","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"39941","Ordinal":"1","NoteData":"An information disclosure vulnerability in GitLab CE/EE versions 12.0 to 14.3.6, 14.4 to 14.4.4, and 14.5 to 14.5.2 allowed non-project members to see the default branch name for projects that restrict access to the repository to project members","Type":"Description","Title":null},{"CveYear":"2021","CveId":"39941","Ordinal":"2","NoteData":"2021-12-13","Type":"Other","Title":"Published"},{"CveYear":"2021","CveId":"39941","Ordinal":"3","NoteData":"2021-12-13","Type":"Other","Title":"Modified"}]}}}