CVE-2021-21502 Auth bypass in PowerScale OneFS

Critical 9.8 Published Updated

Expired user accounts with SSH privileges can retain access, allowing unauthorized actions and potential privilege escalation in Dell PowerScale OneFS.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-21502?

CVE-2021-21502 is a critical authentication bypass vulnerability in Dell Emc Powerscale Onefs, published on 9 Feb 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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 ISI_PRIV_AUTH_SSH 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.

Weakness: CWE-287

Which versions are affected by CVE-2021-21502?

It affects 1 product.

Products include Dell Emc Powerscale Onefs.

How do I fix CVE-2021-21502?

No fix has been published for CVE-2021-21502 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2021-21502 being exploited?

There is no known exploitation of CVE-2021-21502 in the wild and no public exploit code.

All Dell Emc Powerscale Onefs vulnerabilities

Sources

Also known as GHSA-pw6f-fxqf-2vxp.

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