CVE-2020-8555

Severity CVSS v4.0:

Pending analysis

Type:

CWE-918 Server-Side Request Forgery (SSRF)

Publication date:

05/06/2020

Last modified:

07/11/2023

Description

The Kubernetes kube-controller-manager in versions v1.0-1.14, versions prior to v1.15.12, v1.16.9, v1.17.5, and version v1.18.0 are vulnerable to a Server Side Request Forgery (SSRF) that allows certain authorized users to leak up to 500 bytes of arbitrary information from unprotected endpoints within the master's host network (such as link-local or loopback services).

Impact

Vector 3.x

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

Base Score: 6.30 MEDIUM
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N

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

Base Score 3.x

6.30

Severity 3.x

MEDIUM

Vector 2.0

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

Base Score: 3.50 LOW
Vector: AV:N/AC:M/Au:S/C:P/I:N/A:N

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

Base Score 2.0

3.50

Severity 2.0

LOW

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:kubernetes:kubernetes::::::::		1.15.11 (excluding)
cpe:2.3:a:kubernetes:kubernetes::::::::	1.16.0 (including)	1.16.9 (excluding)
cpe:2.3:a:kubernetes:kubernetes::::::::	1.17.0 (including)	1.17.5 (excluding)
cpe:2.3:a:kubernetes:kubernetes:1.18.0:-::::::
cpe:2.3:o:fedoraproject:fedora:32:::::::*

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

CVE-2020-8555

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools