CVE-2021-21502: Critical severity dell emc isilon onefs vulnerability

Published Feb 9, 2021
·
Updated

Dell PowerScale OneFS versions 8.1.0 – 9.1.0 contain a "use of SSH key past account expiration" vulnerability. A user on the network with the ISIPRIVAUTHSSH RBAC privilege that has an expired account may potentially exploit this vulnerability, giving them access to the same things they had before account expiration. This may by a high privileged account and hence Dell recommends customers upgrade at the earliest opportunity.

Affected Software

8 affected components
Dell EMC PowerScale OneFS=8.1.0
Dell EMC PowerScale OneFS=8.1.1
Dell EMC PowerScale OneFS=8.1.2
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
Dell EMC PowerScale OneFS=9.1.0

Event History

Feb 9, 2021
CVE Published
via MITRE·09:25 PM
Data Sourced
via MITRE·09:25 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2021-21502?

CVE-2021-21502 is classified as a medium severity vulnerability affecting Dell PowerScale OneFS.

2

How do I fix CVE-2021-21502?

To fix CVE-2021-21502, it is recommended to update Dell PowerScale OneFS to a version that is not affected, such as versions after 9.1.0.

3

Who is affected by CVE-2021-21502?

CVE-2021-21502 affects users within a network who have the ISI_PRIV_AUTH_SSH RBAC privilege on Dell PowerScale OneFS versions 8.1.0 to 9.1.0.

4

What are the risks of CVE-2021-21502?

The risks of CVE-2021-21502 include unauthorized access to system resources by users with expired accounts.

5

What versions of Dell PowerScale OneFS are affected by CVE-2021-21502?

CVE-2021-21502 affects Dell PowerScale OneFS versions 8.1.0 through 9.1.0.

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