Cyber Resilience

CVE-2021-42772

CriticalPublic PoC

Published: 03 November 2021

Published
03 November 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0067 71.9th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-42772 is a critical-severity Classic Buffer Overflow (CWE-120) vulnerability in Broadcom Emulex Hba Manager. Its CVSS base score is 9.8 (Critical).

Operationally, ranked in the top 28.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

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…

more

mode, the user is unauthenticated

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

broadcom
emulex hba manager
≤ 11.4.425.0
broadcom
one command manager
≤ 12.8.542.31

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-120

Platform-independent managed code eliminates the need for unchecked native buffer copies that are the root cause of classic buffer overflows.

References