{"id":"CVE-2021-21745","aliases":["EUVD-2021-8917","GHSA-38xm-h4pj-7w7h"],"status":"published","title":"ZTE MF971R product has a Referer authentication bypass vulnerability. Without CSRF verification,...","description":"ZTE MF971R product has a Referer authentication bypass vulnerability. Without CSRF verification, an attackercould use this vulnerability to perform illegal authorization operations by sending a request to the user to click.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.55709,"percentile":0.99047,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287","CWE-352"],"published":"2021-10-20T15:20:50Z","modified":"2026-06-17T03:36:04Z","exploits":[{"source":"nuclei","id":"CVE-2021-21745","title":"ZTE MF971R - Referer authentication bypass","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-21745.yaml"}],"products":[{"vendor":"zte","product":"mf971r_firmware"}],"references":[{"url":"https://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1019764","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-21745"},{"url":"https://github.com/advisories/GHSA-38xm-h4pj-7w7h"}],"sources":{"cve":[{"id":"CVE-2021-21745","description":"ZTE MF971R product has a Referer authentication bypass vulnerability. Without CSRF verification, an attackercould use this vulnerability to perform illegal authorization operations by sending a request to the user to click.","status":"published","published":"2021-10-20T15:20:50Z","modified":"2024-08-03T18:23:29.386Z","updated_at":"2026-11-02T14:33:00.137099Z"}],"euvd":[{"id":"EUVD-2021-8917","description":"ZTE MF971R product has a Referer authentication bypass vulnerability. Without CSRF verification, an attackercould use this vulnerability to perform illegal authorization operations by sending a request to the user to click.","status":"published","published":"2021-10-20T15:20:50Z","modified":"2024-08-03T18:23:29Z","updated_at":"2026-11-03T03:25:05.131984Z"}],"ghsa":[{"id":"GHSA-38xm-h4pj-7w7h","title":"ZTE MF971R product has a Referer authentication bypass vulnerability. Without CSRF verification,...","description":"ZTE MF971R product has a Referer authentication bypass vulnerability. Without CSRF verification, an attackercould use this vulnerability to perform illegal authorization operations by sending a request to the user to click.","status":"published","published":"2022-05-24T19:18:04Z","modified":"2023-01-27T05:03:18Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:42:13.302487Z"}],"nvd":[{"id":"CVE-2021-21745","description":"ZTE MF971R product has a Referer authentication bypass vulnerability. Without CSRF verification, an attackercould use this vulnerability to perform illegal authorization operations by sending a request to the user to click.","status":"published","published":"2021-10-20T16:15:08.203Z","modified":"2026-06-17T03:36:04.797Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:07:00.137719Z"}]}}