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TI-2021-04612 Aliases CVE-2021-21527GHSA-qwv4-2r5r-v9j3

OS command injection in Dell PowerScale OneFS

Priority LOW 29CWE-78Published · Updated

Key facts

Attack vector
Local
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-78.

Summary

Dell PowerScale OneFS 8.1.0-9.1.0 contain an improper neutralization of special elements used in an OS command vulnerability. This vulnerability may allow an authenticated user with ISI_PRIV_LOGIN_SSH or ISI_PRIV_LOGIN_CONSOLE privileges to escalate privileges.

Why it matters now

EPSS 0.00272 19th percentileScored 2026-11-07
Fix Fixed PowerScale OneFS (Dell): 9.0.0 / 9.1.0 / 9.2.0

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
DellPowerScale OneFSbefore 9.0.0 / 9.1.0 / 9.2.09.0.0 / 9.1.0 / 9.2.0Patch availableCNA
  • PowerScale OneFS VendorDell Affected before 9.0.0 / 9.1.0 / 9.2.0 Fixed in 9.0.0 / 9.1.0 / 9.2.0 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:dell:emc_powerscale_onefs:9.0.0.0:*:*:*:*:*:*:*9.0.0.0VulnerableDell
cpe:2.3:o:dell:emc_powerscale_onefs:9.1.0.0:*:*:*:*:*:*:*9.1.0.0VulnerableDell
  • cpe:2.3:o:dell:emc_powerscale_onefs:9.0.0.0:*:*:*:*:*:*:* Versions 9.0.0.0 Vulnerable ·Dell
  • cpe:2.3:o:dell:emc_powerscale_onefs:9.1.0.0:*:*:*:*:*:*:* Versions 9.1.0.0 Vulnerable ·Dell

Remediation

  • Fix · CNA PowerScale OneFS (Dell) Fixed in 9.0.0 / 9.1.0 / 9.2.0

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-21527
  2. 2026-10-03 Alias added: GHSA-qwv4-2r5r-v9j3

References

Advisory 1

  • TI-2022-22190 Improper privilege management in Dell PowerScale OneFS CVSS 3.1CRITICAL 9.8
  • TI-2022-10097 Dell PowerScale OneFS, versions 8.2.x-9.3.x, contain a predictable seed in pseudo-random… CVSS 3.1CRITICAL 9.8
  • TI-2022-06835 Missing brute-force protection in Dell PowerScale OneFS CVSS 3.1CRITICAL 9.8
  • TI-2021-04595 Improper authentication in Dell PowerScale OneFS CVSS 3.1CRITICAL 9.8
  • TI-2022-22189 Improper certificate validation in Dell PowerScale OneFS CVSS 3.1CRITICAL 9.8
  • TI-2022-15270 Insufficiently protected credentials in Dell PowerScale OneFS CVSS 3.1CRITICAL 9.8
See all 83 →

Sources

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