CubeFS through 3.2.1 allows Kubernetes cluster-level privilege escalation.
Priority LOW 31CWE-732Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00507 43rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | github.com/cubefs/cubefs (Go) | up to 3.2.1 | — | No fix listed | GHSA-9337-8c6c-c2xg |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- github.com/cubefs/cubefs (Go) Vendor— Affected up to 3.2.1 Fixed in — No fix listed GHSA-9337-8c6c-c2xg
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-30512
- 2026-10-03 Alias added: GHSA-9337-8c6c-c2xg
References
More backstage Cubefs vulnerabilities
- TI-2023-25223 Insecure random string generator used for sensitive data CVSS 3.1CRITICAL 9.8
- TI-2023-25224 CubeFS leaks magic secret key when starting Blobstore access service CVSS 3.1CRITICAL 9.8
- TI-2023-25222 Timing attack can leak user passwords CVSS 3.1MEDIUM 6.5
- TI-2023-25221 Authenticated users can crash the CubeFS servers with maliciously crafted requests CVSS 3.1MEDIUM 6.5
- TI-2023-25225 CubeFS leaks users key in logs CVSS 3.1MEDIUM 6.5
Sources
- CVE-2023-30512 · CVE Program
- CVE-2023-30512 · NVD
- FIRST EPSS
- GHSA-9337-8c6c-c2xg · GitHub Advisory Database · CC BY 4.0
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