{"cve":"CVE-2021-39894","nvd":{"published":"2021-10-05T13:15:08.467","modified":"2026-06-17T04:04:22.673","status":"Modified","description":"In all versions of GitLab CE/EE since version 8.0, a DNS rebinding vulnerability exists in Fogbugz importer which may be used by attackers to exploit Server Side Request Forgery attacks.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","score":5.4},"cwes":["CWE-918"],"references":["https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39894.json","https://gitlab.com/gitlab-org/gitlab/-/issues/214399","https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39894.json","https://gitlab.com/gitlab-org/gitlab/-/issues/214399"],"products":["gitlab:gitlab"],"source":"nvd","synced_at":"2026-10-19T21:23:41.316049955+00:00"},"epss":{"cve":"CVE-2021-39894","score":0.00613,"percentile":0.49361,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}