CVE-2021-36305: Medium severity Dell EMC PowerScale OneFS vulnerability

Published Nov 12, 2021
·
Updated

Dell PowerScale OneFS contains an Unsynchronized Access to Shared Data in a Multithreaded Context in SMB CA handling. An authenticated user of SMB on a cluster with CA could potentially exploit this vulnerability, leading to a denial of service over SMB.

Affected Software

8 affected components
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=9.0.0.0
Dell EMC PowerScale OneFS=9.1.0.0
Dell EMC PowerScale OneFS=9.1.1.0
Dell EMC PowerScale OneFS=9.2.0.0
Dell EMC PowerScale OneFS=9.2.1.0

Event History

Nov 12, 2021
CVE Published
via MITRE·10:15 PM
Data Sourced
via MITRE·10:15 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2021-36305?

CVE-2021-36305 has a high severity rating due to the potential for denial of service via SMB exploitation.

2

How do I fix CVE-2021-36305?

To fix CVE-2021-36305, update your Dell EMC PowerScale OneFS to the latest version recommended by Dell.

3

Who is affected by CVE-2021-36305?

Authenticated users accessing SMB on affected versions of Dell EMC PowerScale OneFS are vulnerable to CVE-2021-36305.

4

What versions are vulnerable to CVE-2021-36305?

CVE-2021-36305 affects specific versions of Dell EMC PowerScale OneFS, including 8.2.0, 8.2.1, 8.2.2, and 9.0.0.0 through 9.2.1.0.

5

Is CVE-2021-36305 a remote or local vulnerability?

CVE-2021-36305 is a local vulnerability that requires authenticated access to exploit.

Contact

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