CVE-2020-8559

The Kubernetes kube-apiserver in versions v1.6-v1.15, and versions prior to v1.16.13, v1.17.9 and v1.18.6 are vulnerable to an unvalidated redirect on proxied upgrade requests that could allow an attacker to escalate privileges from a node compromise to a full cluster compromise.

CVSS v3.0 6.8 MEDIUM
CVSS v2.0 6.0 MEDIUM

6.8^/10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 0.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.0^/10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:M/Au:S/C:P/I:P/A:P

Exploitability : 6.8 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/kubernetes/kubernetes/issues/92914	Exploit Issue Tracking Patch Third Party Advisory
https://groups.google.com/d/msg/kubernetes-security-announce/JAIGG5yNROs/19nHQ5wkBwAJ	Exploit Third Party Advisory
https://security.netapp.com/advisory/ntap-20200810-0004/	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:kubernetes:kubernetes::::::::
	cpe:2.3:a:kubernetes:kubernetes::::::::
	cpe:2.3:a:kubernetes:kubernetes::::::::
	cpe:2.3:a:kubernetes:kubernetes::::::::

Information

Published : 2020-07-22 07:15

Updated : 2023-01-27 12:34

NVD link : CVE-2020-8559

Mitre link : CVE-2020-8559

JSON object : View

CWE

CWE-601

URL Redirection to Untrusted Site ('Open Redirect')

Products Affected

kubernetes

kubernetes

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6.8 /10