{"id":"CVE-2021-42774","aliases":["EUVD-2021-29730","GHSA-mr9f-f2w7-mmmf"],"status":"published","title":"Broadcom Emulex HBA Manager/One Command Manager versions before 11.4.425.0 and 12.8.542.31, if...","description":"Broadcom Emulex HBA Manager/One Command Manager versions before 11.4.425.0 and 12.8.542.31, if not installed in Strictly Local Management mode, have a buffer overflow vulnerability in the remote firmware download feature that could allow remote unauthenticated users to perform various attacks. In non-secure mode, the user is unauthenticated.","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":"2026-11-10","score":0.02432,"percentile":0.84389,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2021-11-12T01:17:10Z","modified":"2026-06-17T04:10:07Z","products":[{"vendor":"broadcom","product":"emulex_hba_manager"}],"references":[{"url":"https://www.broadcom.com/products/storage/fibre-channel-host-bus-adapters/emulex-hba-manager","tags":["x_refsource_MISC","x_transferred","Product"]},{"url":"https://docs.broadcom.com/doc/elx_HBAManager-Lin-RN12811-101.pdf","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-42774"},{"url":"https://github.com/advisories/GHSA-mr9f-f2w7-mmmf"}],"sources":{"cve":[{"id":"CVE-2021-42774","description":"Broadcom Emulex HBA Manager/One Command Manager versions before 11.4.425.0 and 12.8.542.31, if not installed in Strictly Local Management mode, have a buffer overflow vulnerability in the remote firmware download feature that could allow remote unauthenticated users to perform various attacks. In non-secure mode, the user is unauthenticated.","status":"published","published":"2021-11-12T01:17:10Z","modified":"2024-08-04T03:38:50.224Z","updated_at":"2026-11-02T14:32:58.739039Z"}],"euvd":[{"id":"EUVD-2021-29730","description":"Broadcom Emulex HBA Manager/One Command Manager versions before 11.4.425.0 and 12.8.542.31, if not installed in Strictly Local Management mode, have a buffer overflow vulnerability in the remote firmware download feature that could allow remote unauthenticated users to perform various attacks. In non-secure mode, the user is unauthenticated.","status":"published","published":"2021-11-12T01:17:10Z","modified":"2024-08-04T03:38:50Z","updated_at":"2026-11-03T03:24:15.299027Z"}],"ghsa":[{"id":"GHSA-mr9f-f2w7-mmmf","title":"Broadcom Emulex HBA Manager/One Command Manager versions before 11.4.425.0 and 12.8.542.31, if...","description":"Broadcom Emulex HBA Manager/One Command Manager versions before 11.4.425.0 and 12.8.542.31, if not installed in Strictly Local Management mode, have a buffer overflow vulnerability in the remote firmware download feature that could allow remote unauthenticated users to perform various attacks. In non-secure mode, the user is unauthenticated.","status":"published","published":"2022-05-24T19:20:36Z","modified":"2023-01-30T05:03:54Z","cwes":["CWE-120"],"updated_at":"2026-11-02T14:46:56.128795Z"}],"nvd":[{"id":"CVE-2021-42774","description":"Broadcom Emulex HBA Manager/One Command Manager versions before 11.4.425.0 and 12.8.542.31, if not installed in Strictly Local Management mode, have a buffer overflow vulnerability in the remote firmware download feature that could allow remote unauthenticated users to perform various attacks. In non-secure mode, the user is unauthenticated.","status":"published","published":"2021-11-12T02:15:06.8Z","modified":"2026-06-17T04:10:07.303Z","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"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:07:00.984108Z"}]}}