CVE-2021-21565

View on CVE.org

Published Aug 2, 2021 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed

Description

Dell PowerScale OneFS versions 9.1.0.3 and earlier contain a denial of service vulnerability. SmartConnect had an error condition that may be triggered to loop, using CPU and potentially preventing other SmartConnect DNS responses.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Dell

PowerScale OneFS

affected

Version	Status	Constraints
`unspecified`	affected	≤ 9.1.0.3

Configuration 1 [-]

cpe:2.3:o:dell:powerscale_onefs:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-8837	Dell PowerScale OneFS versions 9.1.0.3 and earlier contain a denial of service vulnerability. SmartConnect had an error condition that may be triggered to loop, using CPU and potentially preventing other SmartConnect DNS responses.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.946% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://www.dell.com/support/kbdoc/000188148

History

Feb 20, 2026 6:45 PM Affected versions updated View changes

Type	Values Removed	Values Added
CPEs	cpe:2.3:a:dell:powerscale_onefs::::::::	cpe:2.3:o:dell:powerscale_onefs::::::::

Subscriptions

Dell Powerscale Onefs

Weaknesses

Sources

CVE record Updated: Sep 16, 2024, 8:59 PM

Status: PUBLISHED
Assigner: dell
Published: Aug 2, 2021, 11:45 PM
Updated: Sep 16, 2024, 8:59 PM
Reserved: Jan 4, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:35 AM

Status: Modified
Published: Aug 3, 2021, 12:15 AM
Modified: Jun 17, 2026, 3:35 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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