CVE-2025-43883 Denial of service in PowerScale OneFS

Medium 4.1 Published Updated

A local high-privileged attacker can cause a denial of service in Dell PowerScale OneFS by exploiting improper condition checks.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-43883?

CVE-2025-43883 is a medium-severity denial of service vulnerability in Dell Powerscale Onefs, published on 16 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Dell PowerScale OneFS, versions prior to 9.12.0.0, contains an improper check for unusual or exceptional conditions vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to denial of service.

Weakness: CWE-754

Which versions are affected by CVE-2025-43883?

It affects 1 product.

Products include Dell Powerscale Onefs.

How do I fix CVE-2025-43883?

No fix has been published for CVE-2025-43883 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2025-43883 being exploited?

There is no known exploitation of CVE-2025-43883 in the wild and no public exploit code.

All Dell Powerscale Onefs vulnerabilities

Sources

Also known as GHSA-prf8-m597-vc2p.

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