{"id":"CVE-2021-32021","aliases":["EUVD-2021-18888","GHSA-rjpc-fqr6-4p6r"],"status":"published","title":"A denial of service vulnerability in the message broker of BlackBerry Protect for Windows version...","description":"A denial of service vulnerability in the message broker of BlackBerry Protect for Windows version(s) versions 1574 and earlier could allow an attacker to potentially execute code in the context of a BlackBerry Cylance service that has admin rights on the system.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00302,"percentile":0.23256,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2021-11-10T17:33:00Z","modified":"2026-06-17T03:52:41Z","products":[{"vendor":"blackberry","product":"protect"}],"references":[{"url":"https://support.blackberry.com/kb/articleDetail?articleNumber=000088685","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-32021"},{"url":"https://github.com/advisories/GHSA-rjpc-fqr6-4p6r"}],"sources":{"cve":[{"id":"CVE-2021-32021","description":"A denial of service vulnerability in the message broker of BlackBerry Protect for Windows version(s) versions 1574 and earlier could allow an attacker to potentially execute code in the context of a BlackBerry Cylance service that has admin rights on the system.","status":"published","published":"2021-11-10T17:33:00Z","modified":"2024-08-03T23:17:27.949Z","updated_at":"2026-11-02T14:33:07.349244Z"}],"euvd":[{"id":"EUVD-2021-18888","description":"A denial of service vulnerability in the message broker of BlackBerry Protect for Windows version(s) versions 1574 and earlier could allow an attacker to potentially execute code in the context of a BlackBerry Cylance service that has admin rights on the system.","status":"published","published":"2021-11-10T17:33:00Z","modified":"2024-08-03T23:17:27Z","updated_at":"2026-11-03T03:24:37.407491Z"}],"ghsa":[{"id":"GHSA-rjpc-fqr6-4p6r","title":"A denial of service vulnerability in the message broker of BlackBerry Protect for Windows version...","description":"A denial of service vulnerability in the message broker of BlackBerry Protect for Windows version(s) versions 1574 and earlier could allow an attacker to potentially execute code in the context of a BlackBerry Cylance service that has admin rights on the system.","status":"published","published":"2022-05-24T19:20:15Z","modified":"2023-01-30T05:03:47Z","updated_at":"2026-11-02T14:46:54.738868Z"}],"nvd":[{"id":"CVE-2021-32021","description":"A denial of service vulnerability in the message broker of BlackBerry Protect for Windows version(s) versions 1574 and earlier could allow an attacker to potentially execute code in the context of a BlackBerry Cylance service that has admin rights on the system.","status":"published","published":"2021-11-10T18:15:08.213Z","modified":"2026-06-17T03:52:41.45Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:07:00.984108Z"}]}}