CVE-2021-27798

Name: CVE-2021-27798
Creator: NVD / NIST
Published: 2022-08-05T16:15:10.807+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.22%

Last modified Jun 17, 2026

CVE-2021-27798 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. A vulnerability in Brocade Fabric OS versions 7.4.1b and 7.3.1d could allow local users to conduct privileged directory transversal. Brocade Fabric OS versions 7.4.1.x and 7.3.x have reached end of life. EPSS estimates a 0.22% chance of exploitation in the next 30 days.

Description

A vulnerability in Brocade Fabric OS versions 7.4.1b and 7.3.1d could allow local users to conduct privileged directory transversal. Brocade Fabric OS versions 7.4.1.x and 7.3.x have reached end of life. Brocade Fabric OS Users should upgrade to supported versions as described in the Product End-of-Life published report.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.22%

11.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Broadcom	Fabric Operating System	7.3.1d
Broadcom	Fabric Operating System	7.4.1b

References

Timeline

Published: Aug 5, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-27798?

How severe is CVE-2021-27798?

CVE-2021-27798 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.22% probability of exploitation in the next 30 days.

How do I fix CVE-2021-27798?

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-2021-27798?

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

Scan your code now

Source: NVD / NIST