CVE-2021-27793

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

12/08/2021

Last modified:

23/08/2021

Description

ntermittent authorization failure in aaa tacacs+ with Brocade Fabric OS versions before Brocade Fabric OS v9.0.1b and after 9.0.0, also in Brocade Fabric OS before Brocade Fabric OS v8.2.3a and after v8.2.0 could cause a user with a valid account to be unable to log into the switch.

Impact

Vector 3.x

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

Base Score: 5.30 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

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

Base Score 3.x

5.30

Severity 3.x

MEDIUM

Vector 2.0

AV:N/AC:L/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0

5.00

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:broadcom:fabric_operating_system::::::::	8.2.0 (including)	8.2.3 (excluding)
cpe:2.3:o:broadcom:fabric_operating_system::::::::	9.0.0 (including)	9.0.1 (excluding)
cpe:2.3:o:broadcom:fabric_operating_system:8.2.3:::::::*
cpe:2.3:o:broadcom:fabric_operating_system:9.0.1:::::::*
cpe:2.3:o:broadcom:fabric_operating_system:9.0.1a:::::::*

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

CVE-2021-27793

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools