CVE Vulnerabilities

CVE-2021-25740

Externally Controlled Reference to a Resource in Another Sphere

Published: Sep 20, 2021 | Modified: Nov 06, 2021
CVSS 3.x
3.1
LOW
Source:
NVD
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS 2.x
3.5 LOW
AV:N/AC:M/Au:S/C:P/I:N/A:N
RedHat/V2
RedHat/V3
3.1 LOW
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Ubuntu
MEDIUM

A security issue was discovered with Kubernetes that could enable users to send network traffic to locations they would otherwise not have access to via a confused deputy attack.

Weakness

The product uses an externally controlled name or reference that resolves to a resource that is outside of the intended control sphere.

Affected Software

Name Vendor Start Version End Version
Kubernetes Kubernetes - (including) - (including)
Kubernetes Ubuntu groovy *
Kubernetes Ubuntu hirsute *
Kubernetes Ubuntu impish *
Kubernetes Ubuntu kinetic *
Kubernetes Ubuntu lunar *
Kubernetes Ubuntu mantic *

References