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CVE-2021-25737

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CVE-2021-25737

Published: Sep 6, 2021

Modified: Sep 16, 2024

PUBLISHED

CVSS v3.1

2.7

LOW

Description

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.

VendorProductVersions

Kubernetes

Kubernetes

affected
unspecified - <= 1.18.18
affected
unspecified - <= 1.19.10
affected
unspecified - <= 1.20.6
affected
unspecified - <= 1.21.0

Weaknesses (CWE)

CWE-184

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

References

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