CVE-2020-17516

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

03/02/2021

Last modified:

07/11/2023

Description

Apache Cassandra versions 2.1.0 to 2.1.22, 2.2.0 to 2.2.19, 3.0.0 to 3.0.23, and 3.11.0 to 3.11.9, when using &#39;dc&#39; or &#39;rack&#39; internode_encryption setting, allows both encrypted and unencrypted internode connections. A misconfigured node or a malicious user can use the unencrypted connection despite not being in the same rack or dc, and bypass mutual TLS requirement.

Impact

Vector 3.x

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

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

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

Base Score 3.x

7.50

Severity 3.x

HIGH

Vector 2.0

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

Base Score: 4.30 MEDIUM
Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N

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

Base Score 2.0

4.30

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:apache:cassandra::::::::	2.1.0 (including)	2.1.22 (including)
cpe:2.3:a:apache:cassandra::::::::	2.2.0 (including)	2.2.19 (including)
cpe:2.3:a:apache:cassandra::::::::	3.0.0 (including)	3.0.23 (including)
cpe:2.3:a:apache:cassandra::::::::	3.11.0 (including)	3.11.9 (including)

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

CVE-2020-17516

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools