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.
https://security.netapp.com/advisory/ntap-20211008-0006/
https://github.com/kubernetes/kubernetes/issues/104980
https://www.ibm.com/support/pages/node/6515606
https://www.ibm.com/support/pages/node/6496649
https://groups.google.com/g/kubernetes-security-announce/c/nyfdhK24H7s
Source: Mitre, NVD
Published: 2021-09-20
Updated: 2021-11-30
Base Score: 5.5
Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:N
Severity: Medium
Base Score: 8.1
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Severity: High
EPSS: 0.28996