CVE-2021-42774 Information

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://www.broadcom.com/products/storage/fibre-channel-host-bus-adapters/emulex-hba-manager https://docs.broadcom.com/doc/elx_HBAManager-Lin-RN12811-101.pdf

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8