CVE-2021-25737

A security issue was discovered in Kubernetes where a user may be able to redirect pod traffic to private networks on a Node. Kubernetes already prevents creation of Endpoint IPs in the localhost or link-local range, but the same validation was not performed on EndpointSlice IPs.

CVSS v3 4.8 MEDIUM
CVSS v2.0 4.9 MEDIUM

4.8^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.7 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

4.9^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 6.8 / Impact : 4.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://github.com/kubernetes/kubernetes/issues/102106	Patch Third Party Advisory
https://groups.google.com/g/kubernetes-security-announce/c/xAiN3924thY	Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20211004-0004/	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:1.21.0:-::::::

History

No history.

Information

Published : 2021-09-06 12:15

Updated : 2021-10-07 17:55

NVD link : CVE-2021-25737

Mitre link : CVE-2021-25737

CVE.ORG link : CVE-2021-25737

JSON object : View

Products Affected

kubernetes

kubernetes

CWE

CWE-601

URL Redirection to Untrusted Site ('Open Redirect')

CWE-184

Incomplete List of Disallowed Inputs

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