CVE-2023-3893
Kubernetes - csi-proxy - Insufficient input sanitization leads to privilege escalation
- Published
- Updated
- Reserved
- Assigned by
- kubernetes
Description
A security issue was discovered in Kubernetes where a user that can create pods on Windows nodes running kubernetes-csi-proxy may be able to escalate to admin privileges on those nodes. Kubernetes clusters are only affected if they include Windows nodes running kubernetes-csi-proxy.
Timeline
ID reserved
By kubernetes
- 3 months later
· 3 months later
Published
- 16 months later
· 16 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| kubernetesCNA (assigner) | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Analyzed | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 2.5% · top 15% of all CVEs (7 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.
Weakness
Affected products
- affected v2.0.0-alpha.0
- affected ≤ v1.1.2
- unaffected v2.0.0-alpha.1
- unaffected v1.1.3
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Gogithub.com/kubernetes-csi/csi-proxyGHSA-r6cc-7wj7-gfx2 (opens in a new tab)
- Gogithub.com/kubernetes-csi/csi-proxy/v2GHSA-r6cc-7wj7-gfx2 (opens in a new tab)
References (3)
- https://github.com/kubernetes/kubernetes/issues/119594 (opens in a new tab)issue-trackingx_transferred
- https://groups.google.com/g/kubernetes-security-announce/c/lWksE2BoCyQ (opens in a new tab)mailing-listx_transferred
- https://security.netapp.com/advisory/ntap-20231221-0004/ (opens in a new tab)x_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-r6cc-7wj7-gfx2 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2023-3893)Record last updated .