{"id":"CVE-2020-13334","aliases":["BIT-gitlab-2020-13334","EUVD-2020-5594","GHSA-2px3-3vqh-4m6q","UBUNTU-CVE-2020-13334"],"status":"published","title":"In GitLab versions prior to 13.2.10, 13.3.7 and 13.4.2, improper authorization checks allow a non...","description":"In GitLab versions prior to 13.2.10, 13.3.7 and 13.4.2, improper authorization checks allow a non-member of a project/group to change the confidentiality attribute of issue via mutation GraphQL query","severity":{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.0153,"percentile":0.74961,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-863"],"published":"2020-10-07T13:18:20Z","modified":"2026-10-30T10:31:05Z","fixes":[{"ecosystem":"Bitnami","package":"gitlab","fixed_in":["13.2.10","13.3.7","13.4.2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"gitlab","ranges":[{"type":"SEMVER","events":[{"introduced":"8.6.0"},{"fixed":"13.2.10"},{"introduced":"13.3.0"},{"fixed":"13.3.7"},{"introduced":"13.4.0"},{"fixed":"13.4.2"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"gitlab","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.4.3+dfsg-9","8.4.3+dfsg-12","8.5.8+dfsg-5"]}],"products":[{"vendor":"gitlab","product":"gitlab"}],"references":[{"url":"https://gitlab.com/gitlab-org/gitlab/-/issues/195327","tags":["x_refsource_MISC","x_transferred","Broken Link","web","report"]},{"url":"https://hackerone.com/reports/762271","tags":["x_refsource_MISC","x_transferred","Permissions Required","Third Party Advisory","advisory","report"]},{"url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13334.json","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-13334","tags":["web"]},{"url":"https://github.com/advisories/GHSA-2px3-3vqh-4m6q"},{"url":"https://ubuntu.com/security/CVE-2020-13334","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-13334","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2020-13334","description":"In GitLab versions prior to 13.2.10, 13.3.7 and 13.4.2, improper authorization checks allow a non-member of a project/group to change the confidentiality attribute of issue via mutation GraphQL query","status":"published","published":"2020-10-07T13:18:20Z","modified":"2024-08-04T12:18:18.242Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:35:53.868619Z"}],"euvd":[{"id":"EUVD-2020-5594","description":"In GitLab versions prior to 13.2.10, 13.3.7 and 13.4.2, improper authorization checks allow a non-member of a project/group to change the confidentiality attribute of issue via mutation GraphQL query","status":"published","published":"2020-10-07T13:18:20Z","modified":"2024-08-04T12:18:18Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T03:07:37.76906Z"}],"ghsa":[{"id":"GHSA-2px3-3vqh-4m6q","title":"In GitLab versions prior to 13.2.10, 13.3.7 and 13.4.2, improper authorization checks allow a non...","description":"In GitLab versions prior to 13.2.10, 13.3.7 and 13.4.2, improper authorization checks allow a non-member of a project/group to change the confidentiality attribute of issue via mutation GraphQL query","status":"published","published":"2022-05-24T17:30:15Z","modified":"2023-01-29T05:04:19Z","updated_at":"2026-11-02T14:45:31.69314Z"}],"nvd":[{"id":"CVE-2020-13334","description":"In GitLab versions prior to 13.2.10, 13.3.7 and 13.4.2, improper authorization checks allow a non-member of a project/group to change the confidentiality attribute of issue via mutation GraphQL query","status":"published","published":"2020-10-07T14:15:11.607Z","modified":"2026-06-17T02:52:58.58Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:06:17.70091Z"}],"osv":[{"id":"CVE-2020-13334","description":"In GitLab versions prior to 13.2.10, 13.3.7 and 13.4.2, improper authorization checks allow a non-member of a project/group to change the confidentiality attribute of issue via mutation GraphQL 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non-member of a project/group to change the confidentiality attribute of issue via mutation GraphQL query","status":"published","published":"2024-03-06T11:21:56.035Z","modified":"2026-09-08T08:47:36.907530645Z","updated_at":"2026-11-02T15:28:29.999658Z"}]}}