IBM Spectrum Scale V4.2.0.0 through V4.2.3.23 and V5.0.0.0 through V5.0.5.2 as well as…
Priority LOW 25CWE-404Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-404.
Summary
IBM Spectrum Scale V4.2.0.0 through V4.2.3.23 and V5.0.0.0 through V5.0.5.2 as well as IBM Elastic Storage System 6.0.0 through 6.0.1.0 could allow a local attacker to invoke a subset of ioctls on the device with invalid arguments that could crash the keneral and cause a denial of service. IBM X-Force ID: 188599.
Why it matters now
EPSS 0.00353 29th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| IBM | Elastic Storage Server | 6.0.0; 6.0.1.0 | — | No fix listed | CNA |
| IBM | Spectrum Scale | 4.2.0.0; 5.0.0.0; 4.2.3.23; 5.0.5.2 | — | No fix listed | CNA |
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-4756
- 2026-10-03 Alias added: GHSA-46j4-jqcq-j7qj
References
More IBM Elastic Storage Server vulnerabilities
- TI-2020-04208 IBM Elastic Storage System 6.0.0 through 6.0.1.2 and IBM Elastic Storage Server 5.3.0… CVSS 3.1HIGH 7.5
- TI-2016-00347 IBM General Parallel File System (GPFS) in GPFS Storage Server 2.0.0 through 2.0.7 and… CVSS 3.0HIGH 8.4
- TI-2020-03769 IBM Spectrum Scale for IBM Elastic Storage Server 5.3.0 through 5.3.5 could allow an… CVSS 3.1MEDIUM 6.5
- TI-2020-03767 IBM Spectrum Scale for IBM Elastic Storage Server 5.3.0 through 5.3.6 could allow an… CVSS 3.1MEDIUM 6.5
- TI-2017-01067 Memory corruption in IBM Elastic Storage Server CVSS 3.1MEDIUM 6.2
- TI-2020-03768 IBM Spectrum Scale for IBM Elastic Storage Server 5.3.0 through 5.3.5 could allow an… CVSS 3.1MEDIUM 5.5
Sources
- CVE-2020-4756 · CVE Program
- CVE-2020-4756 · NVD
- FIRST EPSS
- GHSA-46j4-jqcq-j7qj · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences