{"id":"CVE-2021-22957","aliases":["EUVD-2021-10083","GHSA-r234-gvxh-m2fv"],"status":"published","title":"A Cross-Origin Resource Sharing (CORS) vulnerability found in UniFi Protect application Version 1...","description":"A Cross-Origin Resource Sharing (CORS) vulnerability found in UniFi Protect application Version 1.19.2 and earlier allows a malicious actor who has convinced a privileged user to access a URL with malicious code to take over said user’s account.This vulnerability is fixed in UniFi Protect application Version 1.20.0 and later.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00912,"percentile":0.60455,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-16","CWE-668"],"published":"2021-11-24T18:49:30Z","modified":"2026-06-17T03:38:06Z","products":[{"vendor":"ubiquiti inc","product":"unifi protect application"},{"vendor":"ui","product":"unifi_protect"}],"references":[{"url":"https://community.ui.com/releases/Security-Advisory-Bulletin-021-021/62bd8841-6603-4fee-9dba-73037148f173","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-22957"},{"url":"https://github.com/advisories/GHSA-r234-gvxh-m2fv"}],"sources":{"cve":[{"id":"CVE-2021-22957","description":"A Cross-Origin Resource Sharing (CORS) vulnerability found in UniFi Protect application Version 1.19.2 and earlier allows a malicious actor who has convinced a privileged user to access a URL with malicious code to take over said user’s account.This vulnerability is fixed in UniFi Protect application Version 1.20.0 and later.","status":"published","published":"2021-11-24T18:49:30Z","modified":"2024-08-03T18:58:26.074Z","cwes":["CWE-16"],"updated_at":"2026-11-02T14:32:57.701381Z"}],"euvd":[{"id":"EUVD-2021-10083","description":"A Cross-Origin Resource Sharing (CORS) vulnerability found in UniFi Protect application Version 1.19.2 and earlier allows a malicious actor who has convinced a privileged user to access a URL with malicious code to take over said user’s account.This vulnerability is fixed in UniFi Protect application Version 1.20.0 and later.","status":"published","published":"2021-11-24T18:49:30Z","modified":"2024-08-03T18:58:26Z","updated_at":"2026-11-03T03:25:00.591933Z"}],"ghsa":[{"id":"GHSA-r234-gvxh-m2fv","title":"A Cross-Origin Resource Sharing (CORS) vulnerability found in UniFi Protect application Version 1...","description":"A Cross-Origin Resource Sharing (CORS) vulnerability found in UniFi Protect application Version 1.19.2 and earlier allows a malicious actor who has convinced a privileged user to access a URL with malicious code to take over said user’s account.This vulnerability is fixed in UniFi Protect application Version 1.20.0 and later.","status":"published","published":"2022-05-24T22:28:55Z","modified":"2023-01-28T05:01:46Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-668"],"updated_at":"2026-11-02T14:43:37.951512Z"}],"nvd":[{"id":"CVE-2021-22957","description":"A Cross-Origin Resource Sharing (CORS) vulnerability found in UniFi Protect application Version 1.19.2 and earlier allows a malicious actor who has convinced a privileged user to access a URL with malicious code to take over said user’s account.This vulnerability is fixed in UniFi Protect application Version 1.20.0 and later.","status":"published","published":"2021-11-24T19:15:07.557Z","modified":"2026-06-17T03:38:06.4Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-16"],"updated_at":"2026-11-02T14:07:01.428028Z"}]}}