{"id":"CVE-2021-32071","aliases":["EUVD-2021-18933","GHSA-p829-fq6p-p9cf"],"status":"published","title":"The MiCollab Client service in Mitel MiCollab before 9.3 could allow an unauthenticated user to...","description":"The MiCollab Client service in Mitel MiCollab before 9.3 could allow an unauthenticated user to gain system access due to improper access control. A successful exploit could allow an attacker to view and modify application data, and cause a denial of service for users.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01169,"percentile":0.67607,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2021-08-13T15:31:56Z","modified":"2026-06-17T03:52:45Z","products":[{"vendor":"mitel","product":"micollab"}],"references":[{"url":"https://www.mitel.com/support/security-advisories","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-21-0005","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-32071"},{"url":"https://github.com/advisories/GHSA-p829-fq6p-p9cf"}],"sources":{"cve":[{"id":"CVE-2021-32071","description":"The MiCollab Client service in Mitel MiCollab before 9.3 could allow an unauthenticated user to gain system access due to improper access control. A successful exploit could allow an attacker to view and modify application data, and cause a denial of service for users.","status":"published","published":"2021-08-13T15:31:56Z","modified":"2024-08-03T23:17:28.758Z","updated_at":"2026-11-02T14:33:07.014772Z"}],"euvd":[{"id":"EUVD-2021-18933","description":"The MiCollab Client service in Mitel MiCollab before 9.3 could allow an unauthenticated user to gain system access due to improper access control. A successful exploit could allow an attacker to view and modify application data, and cause a denial of service for users.","status":"published","published":"2021-08-13T15:31:56Z","modified":"2024-08-03T23:17:28Z","updated_at":"2026-11-03T03:24:37.407491Z"}],"ghsa":[{"id":"GHSA-p829-fq6p-p9cf","title":"The MiCollab Client service in Mitel MiCollab before 9.3 could allow an unauthenticated user to...","description":"The MiCollab Client service in Mitel MiCollab before 9.3 could allow an unauthenticated user to gain system access due to improper access control. A successful exploit could allow an attacker to view and modify application data, and cause a denial of service for users.","status":"published","published":"2022-05-24T19:11:05Z","modified":"2023-01-30T05:01:32Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:46:25.989719Z"}],"nvd":[{"id":"CVE-2021-32071","description":"The MiCollab Client service in Mitel MiCollab before 9.3 could allow an unauthenticated user to gain system access due to improper access control. A successful exploit could allow an attacker to view and modify application data, and cause a denial of service for users.","status":"published","published":"2021-08-13T16:15:07.463Z","modified":"2026-06-17T03:52:45.08Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:06:56.943671Z"}]}}