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.
Scores
CVSS v3
2.7
EPSS
0.0038
EPSS Percentile
59.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
Details
CWE
CWE-184
CWE-601
Status
published
Products (3)
k8s.io/kubernetes
1.16.0 - 1.18.19Go
kubernetes/kubernetes
1.21.0
kubernetes/kubernetes
1.16.0 - 1.18.19
Published
Sep 06, 2021
Tracked Since
Feb 18, 2026