Command injection in Dell PowerScale OneFS
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
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-77.
Summary
Dell EMC PowerScale OneFS versions 8.2.x - 9.1.1.x contain an improper neutralization of special elements used in an OS command. This vulnerability could allow the compadmin user to elevate privileges. This only impacts Smartlock WORM compliance mode clusters as a critical vulnerability and Dell recommends to update/upgrade at the earliest opportunity.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Dell | PowerScale OneFS | 8.2.x - 9.1.1.x | — | No fix listed | CNA |
- PowerScale OneFS VendorDell Affected 8.2.x - 9.1.1.x Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-21595
- 2026-10-03 Alias added: GHSA-g6cr-75pq-47x7
References
More Dell Emc Powerscale Onefs vulnerabilities
- 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
Sources
- CVE-2021-21595 · CVE Program
- CVE-2021-21595 · NVD
- FIRST EPSS
- GHSA-g6cr-75pq-47x7 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences