Buffer Overflow Vulnerability in Broadcom Emulex HBA Manager and One Command Manager
CVE-2021-42774

9.8CRITICAL

Key Information:

Vendor

Broadcom
Status
Emulex Hba Manager
Vendor
CVE Published:
12 November 2021

What is CVE-2021-42774?

Broadcom's Emulex HBA Manager and One Command Manager are susceptible to a buffer overflow vulnerability in their remote firmware download feature. This weakness affects versions prior to 11.4.425.0 and 12.8.542.31 when not configured in Strictly Local Management mode. In non-secure mode, remote unauthenticated users could potentially exploit this vulnerability, leading to unauthorized access and various attacks. It is critical for users to ensure they operate within a secure configuration to mitigate this risk.

References

https://www.broadcom.com/products/storage/fibre-channel-h...
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https://docs.broadcom.com/doc/elx_HBAManager-Lin-RN12811-...
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CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2021-42774 : Buffer Overflow Vulnerability in Broadcom Emulex HBA Manager and One Command Manager