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TI-2020-04031 Aliases CVE-2020-4756GHSA-46j4-jqcq-j7qj

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

VendorProductAffected versionsFixed inStatusSource
IBMElastic Storage Server6.0.0; 6.0.1.0—No fix listedCNA
IBMSpectrum Scale4.2.0.0; 5.0.0.0; 4.2.3.23; 5.0.5.2—No fix listedCNA
  • Elastic Storage Server VendorIBM Affected 6.0.0; 6.0.1.0 Fixed in — No fix listed CNA
  • Spectrum Scale VendorIBM Affected 4.2.0.0; 5.0.0.0; 4.2.3.23; 5.0.5.2 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:ibm:elastic_storage_server:*:*:*:*:*:*:*:*6.0.0.0 – 6.0.1.0VulnerableIBM
cpe:2.3:a:ibm:spectrum_scale:*:*:*:*:*:*:*:*after 4.2.0.0, up to 4.2.3.23; after 5.0.0.0, up to 5.0.5.2VulnerableIBM
  • cpe:2.3:a:ibm:elastic_storage_server:*:*:*:*:*:*:*:* Versions 6.0.0.0 – 6.0.1.0 Vulnerable ·IBM
  • cpe:2.3:a:ibm:spectrum_scale:*:*:*:*:*:*:*:* Versions after 4.2.0.0, up to 4.2.3.23; after 5.0.0.0, up to 5.0.5.2 Vulnerable ·IBM

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-4756
  2. 2026-10-03 Alias added: GHSA-46j4-jqcq-j7qj

References

  • 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