Dell EMC PowerScale OneFS versions 8.1.2 – 9.1.0 contain an issue where the OneFS SMB directory auto-create may erroneously create a directory for a user. A remote unauthenticated attacker may take advantage of this issue to slow down the system.
CVSS v4.0 Metrics
Exploitability
Attack VectorNetwork
ComplexityLow
RequirementsPresent
PrivilegesNone
User InteractionNone
Threat
Exploit MaturityPoC
Vulnerable System
ConfidentialityNone
IntegrityNone
AvailabilityLow
Subsequent System
ConfidentialityNone
IntegrityNone
AvailabilityNone
Supplemental
SafetyNegligible
AutomatableYes
RecoveryAutomatic
Value DensityConcentrated
UrgencyMedium
Change Log
| Date | Source | Changes | Score |
|---|
| 2026-07-21 | PoC | E: U→P | 1.7 → 2.9 |
| 2026-07-21 | cve.org | initial, patch: Unavailable | 1.7 |
Affected Software
| Vendor | Product | Version |
|---|
| dell | emc_powerscale_onefs | 8.1.2 |
| dell | emc_powerscale_onefs | 8.2.0 |
| dell | emc_powerscale_onefs | 8.2.1 |
| dell | emc_powerscale_onefs | 8.2.2 |
| dell | emc_powerscale_onefs | 9.0.0 |
| dell | emc_powerscale_onefs | 9.1.0 |
| Dell | PowerScale OneFS | < 8.1.2, 8.2.2, 9.0+ |
Published: 2021-02-09
