VulnerabilityModified
CVE-2021-25741
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.
HIGH 8.1EPSS 7.96%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (7.96%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 8.1 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
- EPSS
- 7.96% probability · 94th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20, CWE-552
- Affected
- kubernetes/kubernetes
- Source
- jordan@liggitt.net
References
- https://github.com/kubernetes/kubernetes/issues/104980Mitigation, Third Party Advisory
- https://groups.google.com/g/kubernetes-security-announce/c/nyfdhK24H7sMailing List, Mitigation
- https://security.netapp.com/advisory/ntap-20211008-0006/Third Party Advisory
- https://github.com/kubernetes/kubernetes/issues/104980Mitigation, Third Party Advisory
- https://groups.google.com/g/kubernetes-security-announce/c/nyfdhK24H7sMailing List, Mitigation
- https://security.netapp.com/advisory/ntap-20211008-0006/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.