Cyber Resilience

CVE-2021-21553

High

Published: 03 August 2021

Published
03 August 2021
Modified
20 February 2026
KEV Added
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Patch
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CVSS Score v3.1 7.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.0003 10.3th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-21553 is a high-severity Incorrect User Management (CWE-286) vulnerability in Dell Powerscale Onefs. Its CVSS base score is 7.3 (High).

Operationally, ranked at the 10.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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…

more

earliest.

CWE(s)
CWE-286NVD-CWE-Other

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

dell
powerscale onefs
8.1.0 — 9.1.0

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

IA-4 Identifier Management
addresses: CWE-286

Directly implements correct management of identifiers for individuals, groups, roles, services, and devices.

PS-5 Personnel Transfer
addresses: CWE-286

Requires confirmation and adjustment of user access rights during personnel transfers, mitigating incorrect user management.

References