CVE-2021-21553 Privilege escalation in PowerScale OneFS

High 7.3 Published 2 Aug 2021 Updated 17 Sep 2024

A privilege escalation flaw in Dell PowerScale OneFS allows the CompAdmin user to break out of Compliance mode under specific conditions.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2021-21553?

CVE-2021-21553 is a high-severity vulnerability in Dell Powerscale Onefs, published on 2 Aug 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Dell PowerScale OneFS versions 8.1.0-9.1.0 contain an Incorrect User Management vulnerability.under some specific conditions, this can allow the CompAdmin user to elevate privileges and break out of Compliance mode. This is a critical vulnerability and Dell recommends upgrading at the earliest.

Weakness: CWE-286

Which versions are affected by CVE-2021-21553?

It affects 1 product.

Products include Dell Powerscale Onefs.

How do I fix CVE-2021-21553?

No fix has been published for CVE-2021-21553 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-21553 being exploited?

There is no known exploitation of CVE-2021-21553 in the wild and no public exploit code.

All Dell Powerscale Onefs vulnerabilities

Sources

Also known as GHSA-974f-9h45-g4v4.