{"id":"CVE-2021-22909","aliases":["EUVD-2021-10038","GHSA-rcxg-wqw2-89wf"],"status":"published","title":"A vulnerability found in EdgeMAX EdgeRouter V2.0.9 and earlier could allow a malicious actor to...","description":"A vulnerability found in EdgeMAX EdgeRouter V2.0.9 and earlier could allow a malicious actor to execute a man-in-the-middle (MitM) attack during a firmware update. This vulnerability is fixed in EdgeMAX EdgeRouter V2.0.9-hotfix.1 and later.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01292,"percentile":0.70471,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-295","CWE-300"],"published":"2021-05-27T11:14:32Z","modified":"2026-06-17T03:38:00Z","products":[{"vendor":"ui","product":"edgemax_edgerouter_firmware"}],"references":[{"url":"https://community.ui.com/releases/Security-Advisory-Bulletin-018-018/cfa1566b-4bf8-427b-8cc7-8cffba3a93a4","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-22909"},{"url":"https://github.com/advisories/GHSA-rcxg-wqw2-89wf"}],"sources":{"cve":[{"id":"CVE-2021-22909","description":"A vulnerability found in EdgeMAX EdgeRouter V2.0.9 and earlier could allow a malicious actor to execute a man-in-the-middle (MitM) attack during a firmware update. This vulnerability is fixed in EdgeMAX EdgeRouter V2.0.9-hotfix.1 and later.","status":"published","published":"2021-05-27T11:14:32Z","modified":"2024-08-03T18:58:26.151Z","cwes":["CWE-300"],"updated_at":"2026-11-02T14:32:57.701381Z"}],"euvd":[{"id":"EUVD-2021-10038","description":"A vulnerability found in EdgeMAX EdgeRouter V2.0.9 and earlier could allow a malicious actor to execute a man-in-the-middle (MitM) attack during a firmware update. This vulnerability is fixed in EdgeMAX EdgeRouter V2.0.9-hotfix.1 and later.","status":"published","published":"2021-05-27T11:14:32Z","modified":"2024-08-03T18:58:26Z","updated_at":"2026-11-03T03:25:01.154097Z"}],"ghsa":[{"id":"GHSA-rcxg-wqw2-89wf","title":"A vulnerability found in EdgeMAX EdgeRouter V2.0.9 and earlier could allow a malicious actor to...","description":"A vulnerability found in EdgeMAX EdgeRouter V2.0.9 and earlier could allow a malicious actor to execute a man-in-the-middle (MitM) attack during a firmware update. This vulnerability is fixed in EdgeMAX EdgeRouter V2.0.9-hotfix.1 and later.","status":"published","published":"2022-05-24T19:03:30Z","modified":"2026-03-24T05:04:13Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-295","CWE-300"],"updated_at":"2026-11-02T15:06:48.910736Z"}],"nvd":[{"id":"CVE-2021-22909","description":"A vulnerability found in EdgeMAX EdgeRouter V2.0.9 and earlier could allow a malicious actor to execute a man-in-the-middle (MitM) attack during a firmware update. This vulnerability is fixed in EdgeMAX EdgeRouter V2.0.9-hotfix.1 and later.","status":"published","published":"2021-05-27T12:15:08.117Z","modified":"2026-06-17T03:38:00.26Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.6,"vector":"AV:N/AC:H/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-300","CWE-295"],"updated_at":"2026-11-02T14:06:53.987491Z"}]}}