Home/CVE/Brocade Fabric OS (FOS) hardware platforms running any version of Brocade Fabric OS software, which supports the licen
CVE

CVE-2021-27795

Brocade Fabric OS (FOS) hardware platforms running any version of Brocade Fabric OS software, which supports the licen

Brocade Fabric OS (FOS) hardware platforms running any version of Brocade Fabric OS software, which supports the license string format.

contain cryptographic issues that could allow for the installation of forged or fraudulent license keys. This would allow attackers or a malicious party to forge a counterfeit license key that the Brocade Fabric OS platform would authenticate and activate as if it were a legitimate license key.

MEDIUM · CVSS 6.4 EPSS 0.00039
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-327Use of a Broken or Risky Cryptographic Algorithm
CWE-327Use of a Broken or Risky Cryptographic Algorithm
▤

Affected Products & Versions

1
broadcom fabric operating systemall versions
▣

Scoring & Timeline

6.4
MEDIUM · CVSS v3.1 · sirt@brocade.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD06 Dec 2023 · 02:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:H
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/21289Vendor Advisory
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