Is CVE-2021-42775 in the CISA KEV catalog?

No. CVE-2021-42775 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-42775?

CVE-2021-42775 has a CVSS v3 base score of 9.1 (CRITICAL).

What is the EPSS score for CVE-2021-42775?

CVE-2021-42775 has an EPSS score of 0.96% (57th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-42775?

Upgrade emulex hba manager to 12.8.542.31 or later.

CVE & CISA-KEV Catalog

CVE-2021-42775

CRITICAL

9.1

CVSS v3

NVD

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 vulnerability in the remote firmware download feature that could allow a user to place or replace an arbitrary file on the remote host. In non-secure mode, the user is unauthenticated.

How to fix

Remediation Available

emulex hba managerNVD

Affected:>= 12.0.0, < 12.8.542.31Fixed in:12.8.542.31CVE-2021-42775derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.96%probability of exploitation in 30 days

57thpercentile

Moderate risk: more likely to be exploited than 57% of all known CVEs.

References

Vendor Advisory1

docs.broadcom.com

Product1

broadcom.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.