CVE-2021-25737

medium

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.

References

https://github.com/kubernetes/kubernetes/issues/102106

https://groups.google.com/g/kubernetes-security-announce/c/xAiN3924thY

https://security.netapp.com/advisory/ntap-20211004-0004/

Details

Source: Mitre, NVD

Published: 2021-09-06

Risk Information

CVSS v2

Base Score: 4.9

Vector: CVSS2#AV:N/AC:M/Au:S/C:P/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 4.8

Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Severity: Medium