CVE Vulnerability

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.

4.9 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 6.8 / Impact : 4.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

Scope

4.8 /10

CVSS v3.0 : MEDIUM

V3 Legend

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

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

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:-:*:*:*:*:*:*
Information

Published : 2021-09-06 12:15

Updated : 2021-10-07 05:55

NVD link : CVE-2021-25737

Mitre link : CVE-2021-25737

Products Affected
No products.
CWE
CWE-601

URL Redirection to Untrusted Site ('Open Redirect')