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TI-2021-04638 Aliases CVE-2021-21553GHSA-974f-9h45-g4v4

Dell PowerScale OneFS versions 8.1.0-9.1.0 contain an Incorrect User Management…

Priority LOW 37CWE-286Published · Updated

Key facts

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

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

Summary

Dell PowerScale OneFS versions 8.1.0-9.1.0 contain an Incorrect User Management vulnerability.under some specific conditions, this can allow the CompAdmin user to elevate privileges and break out of Compliance mode. This is a critical vulnerability and Dell recommends upgrading at the earliest.

Why it matters now

EPSS 0.00222 12th 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
DellPowerScale OneFS8.1.0-9.1.0—No fix listedCNA
  • PowerScale OneFS VendorDell Affected 8.1.0-9.1.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:dell:powerscale_onefs:*:*:*:*:*:*:*:*8.1.0 – 9.1.0VulnerableDell
  • cpe:2.3:o:dell:powerscale_onefs:*:*:*:*:*:*:*:* Versions 8.1.0 – 9.1.0 Vulnerable ·Dell

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-21553
  2. 2026-10-03 Alias added: GHSA-974f-9h45-g4v4

References

Advisory 1

  • TI-2023-15775 Protection mechanism failure in Dell PowerScale OneFS CVSS 3.1CRITICAL 9.8
  • TI-2025-20488 Dell PowerScale OneFS, versions 9.5.0.0 through 9.10.1.0, contains a use of default… CVSS 3.1CRITICAL 9.8
  • TI-2024-35757 Missing authorization in Dell PowerScale OneFS CVSS 3.1CRITICAL 9.8
  • TI-2026-17887 Missing brute-force protection in Dell PowerScale OneFS CVSS 3.1CRITICAL 9.8
  • TI-2022-13268 Broken or risky cryptographic algorithm in Dell PowerScale OneFS CVSS 3.1CRITICAL 9.8
  • TI-2022-13267 Information disclosure through error messages in Dell PowerScale OneFS CVSS 3.1CRITICAL 9.6
See all 97 →

Sources

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