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TI-2020-03834 Aliases CVE-2020-4491GHSA-wfcm-rc5q-rwm2

IBM Spectrum Scale V4.2.0.0 through V4.2.3.22 and V5.0.0.0 through V5.0.5 could allow a…

Priority LOW 25Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

IBM Spectrum Scale V4.2.0.0 through V4.2.3.22 and V5.0.0.0 through V5.0.5 could allow a local attacker to cause a denial of service by sending a large number of RPC requests to the mmfsd daemon which would cause the service to crash. IBM X-Force ID: 181991.

Why it matters now

EPSS 0.00292 21st 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
IBMSpectrum Scale4.2.0.0; 5.0.0.0; 5.0.5; 4.2.3.22—No fix listedCNA
  • Spectrum Scale VendorIBM Affected 4.2.0.0; 5.0.0.0; 5.0.5; 4.2.3.22 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:ibm:spectrum_scale:*:*:*:*:*:*:*:*after 4.2.0.0, up to 4.2.3.22; after 5.0.0.0, up to 5.0.5VulnerableIBM
  • cpe:2.3:a:ibm:spectrum_scale:*:*:*:*:*:*:*:* Versions after 4.2.0.0, up to 4.2.3.22; after 5.0.0.0, up to 5.0.5 Vulnerable ·IBM

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-4491
  2. 2026-10-03 Alias added: GHSA-wfcm-rc5q-rwm2

References

Patch 1

  • TI-2020-03654 OS command injection in IBM Spectrum Protect Plus CVSS 3.1HIGH 8.8
  • TI-2020-03655 OS command injection in IBM Spectrum Protect Plus CVSS 3.1HIGH 8.8
  • TI-2019-03440 OS command injection in IBM Spectrum Scale CVSS 3.1HIGH 8.8
  • TI-2020-04150 Missing authorization in IBM Spectrum Scale CVSS 3.1CRITICAL 9.1
  • TI-2016-05248 Memory corruption in IBM Spectrum Scale CVSS 3.0HIGH 7.2
  • TI-2021-10366 CSV injection in IBM Spectrum Scale CVSS 3.1HIGH 7.8
See all 56 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences