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

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CVE-2020-15387

Severity CVSS v4.0:
Pending analysis
Type:
CWE-326 Inadequate Encryption Strength
Publication date:
09/06/2021
Last modified:
23/08/2021

Description

The host SSH servers of Brocade Fabric OS before Brocade Fabric OS v7.4.2h, v8.2.1c, v8.2.2, v9.0.0, and Brocade SANnav before v2.1.1 utilize keys of less than 2048 bits, which may be vulnerable to man-in-the-middle attacks and/or insecure SSH communications.

Impact

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

Base Score: 7.40 HIGH
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

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): None

Base Score 3.x
7.40
Severity 3.x
HIGH
Vector 2.0
AV:N/AC:M/Au:N/C:P/I:P/A:N CVSS v2.0 Severity and Metrics:

Base Score: 5.80 MEDIUM
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:N

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

Base Score 2.0
5.80
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:broadcom:brocade_sannav:*:*:*:*:*:*:*:* 2.1.1 (excluding)
cpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:* 7.4.2 (excluding)
cpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:* 8.2.0 (including) 8.2.1 (excluding)
cpe:2.3:o:broadcom:fabric_operating_system:7.4.2:*:*:*:*:*:*:*
cpe:2.3:o:broadcom:fabric_operating_system:7.4.2a:*:*:*:*:*:*:*
cpe:2.3:o:broadcom:fabric_operating_system:7.4.2b:*:*:*:*:*:*:*
cpe:2.3:o:broadcom:fabric_operating_system:7.4.2c:*:*:*:*:*:*:*
cpe:2.3:o:broadcom:fabric_operating_system:7.4.2d:*:*:*:*:*:*:*
cpe:2.3:o:broadcom:fabric_operating_system:7.4.2f:*:*:*:*:*:*:*
cpe:2.3:o:broadcom:fabric_operating_system:7.4.2g:*:*:*:*:*:*:*
cpe:2.3:o:broadcom:fabric_operating_system:8.2.1:*:*:*:*:*:*:*
cpe:2.3:o:broadcom:fabric_operating_system:8.2.1a:*:*:*:*:*:*:*
cpe:2.3:o:broadcom:fabric_operating_system:8.2.1b:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools