Symlink Exchange Can Allow Host Filesystem Access (Kubernetes Kubernetes)
At a glance
- Source
- NVD
- EPSS
- EPSS 7.96 % · percentile 95 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- kubernetes
- NVD status
- Modified
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.
Weaknesses (CWE)
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | kubernetes |
| CVSS 3.1 | HIGH 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | NVD · jordan@liggitt.net (Secondary) |
| CVSS 3.1 | HIGH 8.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | MEDIUM 5.5 | AV:N/AC:L/Au:S/C:P/I:P/A:N | NVD · nvd@nist.gov (Primary) |
Advisories
- GHSA-f5f7-6478-qm6p — Files or Directories Accessible to External Parties in kubernetes
- GO-2022-0910 — Files or Directories Accessible to External Parties in kubernetes in k8s.io/kubernetes
European references
- ENISA EUVD · EUVD-2021-2339
- GCVE · GCVE-0-2021-25741
CERT-FR advisories
- CERTFR-2026-AVI-1385 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2024-AVI-0031 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr
- CERTFR-2022-AVI-591 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*≤ 1.19.14cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*≥ 1.20.0 ≤ 1.20.10cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*≥ 1.21.0 ≤ 1.21.4cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*≥ 1.22.0 ≤ 1.22.1
Affected products
| Product | Versions |
|---|---|
| Kubernetes · Kubernetes | affected unspecified ≤ 1.19.14 ; affected unspecified ≤ 1.20.10 ; affected unspecified ≤ 1.21.4 ; affected unspecified ≤ 1.22.1 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |