Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2021-27795

Severity CVSS v4.0:
Pending analysis
Type:
CWE-327 Use of a Broken or Risky Cryptographic Algorithm
Publication date:
06/12/2023
Last modified:
11/12/2023

Description

Brocade Fabric OS (FOS) hardware <br /> platforms running any version of Brocade Fabric OS software, which <br /> supports the license string format; contain cryptographic <br /> issues that could allow for the installation of forged or fraudulent <br /> license keys. This would allow attackers or a malicious party to forge a<br /> counterfeit license key that the Brocade Fabric OS platform would <br /> authenticate and activate as if it were a legitimate license key. <br /> <br /> <br /> <br />

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 8.10 HIGH
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
8.10
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:*
cpe:2.3:h:broadcom:brocade_300:-:*:*:*:*:*:*:*
cpe:2.3:h:broadcom:brocade_610:-:*:*:*:*:*:*:*
cpe:2.3:h:broadcom:brocade_6505:-:*:*:*:*:*:*:*
cpe:2.3:h:broadcom:brocade_6510:-:*:*:*:*:*:*:*
cpe:2.3:h:broadcom:brocade_6520:-:*:*:*:*:*:*:*
cpe:2.3:h:broadcom:brocade_7800:-:*:*:*:*:*:*:*
cpe:2.3:h:broadcom:brocade_7810:-:*:*:*:*:*:*:*
cpe:2.3:h:broadcom:brocade_7840:-:*:*:*:*:*:*:*
cpe:2.3:h:broadcom:brocade_g620:-:*:*:*:*:*:*:*
cpe:2.3:h:broadcom:brocade_g630:-:*:*:*:*:*:*:*
cpe:2.3:h:broadcom:brocade_x6-4_director:-:*:*:*:*:*:*:*
cpe:2.3:h:broadcom:brocade_x6-8_director:-:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools