Read the docs
TI-2021-04649 Aliases CVE-2021-21565GHSA-xxr9-34qv-3673

Uncontrolled resource consumption in Dell PowerScale OneFS

Priority LOW 26CWE-400Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Low
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-400.

Summary

Dell PowerScale OneFS versions 9.1.0.3 and earlier contain a denial of service vulnerability. SmartConnect had an error condition that may be triggered to loop, using CPU and potentially preventing other SmartConnect DNS responses.

Why it matters now

EPSS 0.00946 61st 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 OneFSup to 9.1.0.3—No fix listedCNA
  • PowerScale OneFS VendorDell Affected up to 9.1.0.3 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:dell:powerscale_onefs:*:*:*:*:*:*:*:*up to 9.1.0.3VulnerableDell
  • cpe:2.3:o:dell:powerscale_onefs:*:*:*:*:*:*:*:* Versions up to 9.1.0.3 Vulnerable ·Dell

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-21565
  2. 2026-10-03 Alias added: GHSA-xxr9-34qv-3673

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