CVE-2021-27798
privileged directory transversal.in Brocade Fabric OS versions 7.4.1.x and 7.3.x
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
5.5
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.
- Record
CVE-2021-27798- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
CVE List No score
privileged directory transversal.in Brocade Fabric OS versions 7.4.1.x and 7.3.x
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.
- Record
CVE-2021-27798- Weakness
- CWE-22
- Updated
- 2026-11-02
EUVDEUVD-2021-14539 No score
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.
- Record
EUVD-2021-14539- Updated
- 2026-11-02
GitHub AdvisoriesGHSA-3w97-9v6v-7c57
5.5
** UNSUPPORTED WHEN ASSIGNED ** A vulnerability in Brocade Fabric OS versions v7.4.1b and v7.3.1d...
** UNSUPPORTED WHEN ASSIGNED ** A vulnerability in Brocade Fabric OS versions v7.4.1b and v7.3.1d could allow local users to conduct privileged directory transversal. Brocade Fabric OS versions v7.4.1.x and v7.3.x have reached end of life. Brocade Fabric OS Users should upgrade to supported versions as described in the Product End-of-Life Publish report.
- Record
GHSA-3w97-9v6v-7c57- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-27798 is a medium vulnerability (CVSS 5.5) in Brocade Fabric Os, published August 5, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.23%, the 13th percentile. No source names a fixed version.