What is CVE-2023-30512?

CVE-2023-30512 is a medium-severity vulnerability in Linuxfoundation Cubefs, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 6.5/10. Published 2023-04-12.

How severe is CVE-2023-30512?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Linuxfoundation Cubefs

CVE-2023-30512

CubeFS through 3.2.1 allows Kubernetes cluster-level privilege escalation. This occurs because DaemonSet has cfs-csi-cluster-role and can thus list all secrets, including the admin secret.

Published 2023-04-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.005 (40.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 40.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Linuxfoundation Cubefs

Weakness classification (CWE)

CWE-732 — Incorrect Permission Assignment for Critical Resource

References

github.com/cubefs/cubefs/issues/1882 (Third Party Advisory, Mitigation, Issue Tracking)

Frequently asked questions

What is CVE-2023-30512?: CVE-2023-30512 is a medium-severity vulnerability in Linuxfoundation Cubefs, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 6.5/10. Published 2023-04-12.
How severe is CVE-2023-30512?: Medium severity. CVSS v3 base score is 6.5 out of 10.