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CVE-2021-42775

CRITICALCVSS 9.1/10EPSS 0.96%

Last modified

CVE-2021-42775 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. 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.. EPSS estimates a 0.96% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
9.1/10

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

EPSS Probability
0.96%

56.9th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
BroadcomEmulex Hba Manager>= 11.0.0, < 11.4.425.0
BroadcomEmulex Hba Manager>= 12.0.0, < 12.8.542.31

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-42775?
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 severe is CVE-2021-42775?
CVE-2021-42775 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 0.96% probability of exploitation in the next 30 days.
How do I fix CVE-2021-42775?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-42775?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST