{"id":"CVE-2020-13276","aliases":["BIT-gitlab-2020-13276","EUVD-2020-5537","GHSA-hg4v-vm5j-rq45","UBUNTU-CVE-2020-13276"],"status":"published","title":"User is allowed to set an email as a notification email even without verifying the new email in...","description":"User is allowed to set an email as a notification email even without verifying the new email in all previous GitLab CE/EE versions through 13.0.1","severity":{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00674,"percentile":0.5241,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-862","CWE-863"],"published":"2020-06-19T21:37:54Z","modified":"2026-10-30T10:30:16Z","fixes":[{"ecosystem":"Bitnami","package":"gitlab","fixed_in":["12.9.8","12.10.7","13.0.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"gitlab","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"12.9.8"},{"introduced":"12.10.0"},{"fixed":"12.10.7"},{"introduced":"13.0.0"},{"fixed":"13.0.1"}]}]},{"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/25994","tags":["x_refsource_MISC","x_transferred","Broken Link","web","report"]},{"url":"https://hackerone.com/reports/471907","tags":["x_refsource_MISC","x_transferred","Permissions Required","web","report"]},{"url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13276.json","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-13276","tags":["web"]},{"url":"https://github.com/advisories/GHSA-hg4v-vm5j-rq45"},{"url":"https://ubuntu.com/security/CVE-2020-13276","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-13276","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2020-13276","description":"User is allowed to set an email as a notification email even without verifying the new email in all previous GitLab CE/EE versions through 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