Rapid7 Vulnerability & Exploit Database

Red Hat OpenShift: CVE-2021-25741: kubernetes: Symlink exchange can allow host filesystem access

Free InsightVM Trial No Credit Card Necessary
Watch Demo See how it all works
Back to Search

Red Hat OpenShift: CVE-2021-25741: kubernetes: Symlink exchange can allow host filesystem access

Severity
6
CVSS
(AV:N/AC:L/Au:S/C:P/I:P/A:N)
Published
09/20/2021
Created
09/30/2021
Added
09/29/2021
Modified
04/05/2024

Description

A security issue was discovered in Kubernetes where a user may be able to create a container with subpath volume mounts to access files & directories outside of the volume, including on the host filesystem.

Solution(s)

  • linuxrpm-upgrade-atomic-openshift
  • linuxrpm-upgrade-openshift

With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.

– Scott Cheney, Manager of Information Security, Sierra View Medical Center

;