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

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CVE-2019-19631

Severity CVSS v4.0:
Pending analysis
Type:
CWE-200 Information Leak / Disclosure
Publication date:
24/01/2020
Last modified:
24/08/2020

Description

An issue was discovered in Big Switch Big Monitoring Fabric 6.2 through 6.2.4, 6.3 through 6.3.9, 7.0 through 7.0.3, and 7.1 through 7.1.3; Big Cloud Fabric 4.5 through 4.5.5, 4.7 through 4.7.7, 5.0 through 5.0.1, and 5.1 through 5.1.4; and Multi-Cloud Director through 1.1.0. A read-only user can access sensitive information via an API endpoint that reveals session cookies of authenticated administrators, leading to privilege escalation.

Impact

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

Base Score: 8.80 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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

Base Score 3.x
8.80
Severity 3.x
HIGH
Vector 2.0
AV:N/AC:L/Au:S/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 6.50 MEDIUM
Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): Single
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
6.50
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:bigswitch:big_cloud_fabric:*:*:*:*:*:*:*:* 4.5 (including) 4.5.5 (excluding)
cpe:2.3:a:bigswitch:big_cloud_fabric:*:*:*:*:*:*:*:* 4.7 (including) 4.7.7 (excluding)
cpe:2.3:a:bigswitch:big_cloud_fabric:*:*:*:*:*:*:*:* 5.0 (including) 5.0.1 (excluding)
cpe:2.3:a:bigswitch:big_cloud_fabric:*:*:*:*:*:*:*:* 5.1 (including) 5.1.4 (excluding)
cpe:2.3:a:bigswitch:big_monitoring_fabric:*:*:*:*:*:*:*:* 6.2 (including) 6.2.4 (excluding)
cpe:2.3:a:bigswitch:big_monitoring_fabric:*:*:*:*:*:*:*:* 6.3 (including) 6.3.9 (excluding)
cpe:2.3:a:bigswitch:big_monitoring_fabric:*:*:*:*:*:*:*:* 7.0 (including) 7.0.3 (excluding)
cpe:2.3:a:bigswitch:big_monitoring_fabric:*:*:*:*:*:*:*:* 7.1 (including) 7.1.4 (excluding)
cpe:2.3:a:bigswitch:multi-cloud_director:*:*:*:*:*:*:*:* 1.1.0 (excluding)

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


References to Advisories, Solutions, and Tools