CVE-2020-5591

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

05/06/2020

Last modified:

11/06/2020

Description

XACK DNS 1.11.0 to 1.11.4, 1.10.0 to 1.10.8, 1.8.0 to 1.8.23, 1.7.0 to 1.7.18, and versions before 1.7.0 allow remote attackers to cause a denial of service condition resulting in degradation of the recursive resolver&#39;s performance or compromising the recursive resolver as a reflector in a reflection attack.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H 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:N/I:N/A:H

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): High

Base Score 3.x

7.50

Severity 3.x

HIGH

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:a:xack:xack_dns::::::::		1.7.18 (including)
cpe:2.3:a:xack:xack_dns::::::::	1.8.0 (including)	1.8.23 (including)
cpe:2.3:a:xack:xack_dns::::::::	1.10.0 (including)	1.10.8 (including)
cpe:2.3:a:xack:xack_dns::::::::	1.11.0 (including)	1.11.4 (including)

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

CVE-2020-5591

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools