CVE-2020-11653

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

08/04/2020

Last modified:

29/11/2022

Description

An issue was discovered in Varnish Cache before 6.0.6 LTS, 6.1.x and 6.2.x before 6.2.3, and 6.3.x before 6.3.2. It occurs when communication with a TLS termination proxy uses PROXY version 2. There can be an assertion failure and daemon restart, which causes a performance loss.

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:varnish-cache:varnish_cache:::::-:::*	6.1.0 (including)	6.2.3 (excluding)
cpe:2.3:a:varnish-cache:varnish_cache:::::-:::*	6.3.0 (including)	6.3.2 (excluding)
cpe:2.3:a:varnish-software:varnish_cache:::::lts:::*	6.0.0 (including)	6.0.6 (excluding)
cpe:2.3:a:opensuse:backports_sle:15.0:sp1::::::
cpe:2.3:o:opensuse:leap:15.1:::::::*
cpe:2.3:o:debian:debian_linux:10.0:::::::*

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

CVE-2020-11653

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools