What is CVE-2021-42772?

CVE-2021-42772 is a critical-severity vulnerability in Broadcom Emulex Hba Manager, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2021-11-03.

How severe is CVE-2021-42772?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Broadcom Emulex Hba Manager

CVE-2021-42772

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 GetDumpFile command that could allow a user to attempt various attacks. In non-secure mode, the user is unauthenticated

Vulnerability class: Buffer Overflow

EPSS: 0.012 (66.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

cve@mitre.org (x_refsource_CONFIRM, Exploit, Vendor Advisory)

Frequently asked questions

What is CVE-2021-42772?: CVE-2021-42772 is a critical-severity vulnerability in Broadcom Emulex Hba Manager, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2021-11-03.
How severe is CVE-2021-42772?: Critical severity. CVSS v3 base score is 9.8 out of 10.