{"id":"CVE-2021-39867","details":"In all versions of GitLab CE/EE since version 8.15, a DNS rebinding vulnerability in Gitea Importer may be exploited by an attacker to trigger Server Side Request Forgery (SSRF) attacks.","aliases":["BIT-gitlab-2021-39867"],"modified":"2026-08-27T11:31:15.038274625Z","published":"2021-10-05T13:15:07.977Z","database_specific":{"unresolved_ranges":[{"vendor_product":"gitlab:gitlab","cpes":["cpe:2.3:a:gitlab:gitlab:4.3.0:*:*:*:community:*:*:*","cpe:2.3:a:gitlab:gitlab:4.3.0:*:*:*:enterprise:*:*:*"],"extracted_events":[{"introduced":"4.3.0"},{"last_affected":"4.3.0"},{"introduced":"4.3.0"},{"last_affected":"4.3.0"}],"source":"CPE_STRING"}]},"references":[{"type":"ADVISORY","url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39867.json"},{"type":"REPORT","url":"https://gitlab.com/gitlab-org/gitlab/-/issues/214401"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://gitlab.com/gitlab-org/gitlab","events":[{"introduced":"c1710afbd437c557741ff4c7fa185c6ffb89bf1b"},{"fixed":"9cd657e5179e339171d27e4573b8f5711db1d824"},{"introduced":"38bbb40bb77dd3e0f0281c4363e2ef298e650c42"},{"fixed":"72c1da0383a35604f4b2d73a7ed8e6a2c4ee64b1"}],"database_specific":{"cpe":["cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*","cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*"],"extracted_events":[{"introduced":"8.15.0"},{"fixed":"14.1.7"},{"introduced":"14.2.0"},{"fixed":"14.2.5"}],"source":"CPE_RANGE"}}],"versions":["v14.2.4-ee","v14.2.3-ee","v14.2.1-ee","v14.2.0-ee"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-39867.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N"}]}