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CVE-2021-21595

MEDIUM
6.7
CVSS Score
Published: August 16, 2021 at 10:00 PM UTC
Updated: June 17, 2026 at 03:35 AM UTC
2 products affected across 1 vendorEMC Powerscale OnefsPowerScale OneFS

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Severity
MEDIUM6.7
Exploit prediction
EPSS 0.2%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

EMC Powerscale Onefs· Dell
95%
9.0.0.0 ≤ v < 9.2.08.2.2
Affected range stops below 9.2.0, so it looks safe — our inference, not a vendor statement
PowerScale OneFS· Dell
70%
9.0.0.0 ≤ v < 9.2.08.2.28.2.x - 9.1.1.x
Affected range stops below 9.2.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://www.dell.com/support/kbdoc/000190408

CVSS

6.7MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-77

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