CVE-2021-21565: Medium severity Dell PowerScale OneFS vulnerability

Published Aug 2, 2021
·
Updated

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 Software

2 affected components
Dell PowerScale OneFS<=9.1.0.3
Dell PowerScale OneFS<=9.1.0.3

Event History

Aug 2, 2021
CVE Published
via MITRE·11:45 PM
Data Sourced
via MITRE·11:45 PM
DescriptionSeverityWeakness
Aug 3, 2021
Data Sourced
via NVD·12:15 AM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is CVE-2021-21565?

CVE-2021-21565 is a vulnerability in Dell PowerScale OneFS versions 9.1.0.3 and earlier that can be exploited to cause a denial of service.

2

How does CVE-2021-21565 affect Dell PowerScale OneFS?

CVE-2021-21565 affects Dell PowerScale OneFS versions 9.1.0.3 and earlier by causing a denial of service by triggering a loop in SmartConnect.

3

What is the severity of CVE-2021-21565?

CVE-2021-21565 has a severity score of 5.3 (medium).

4

How can CVE-2021-21565 be exploited?

CVE-2021-21565 can be exploited by triggering a loop in SmartConnect, which uses CPU and potentially prevents other SmartConnect DNS responses.

5

Is there a fix for CVE-2021-21565?

Yes, Dell has released a fix for CVE-2021-21565. Please refer to the Dell support page for more information.

Contact

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