CVE-2021-21526 Command injection in PowerScale OneFS

What is CVE-2021-21526?

CVE-2021-21526 is a medium-severity command injection vulnerability in Dell Powerscale Onefs, published on 20 Apr 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Dell PowerScale OneFS 8.1.0 - 9.1.0 contains a privilege escalation in SmartLock compliance mode that may allow compadmin to execute arbitrary commands as root.

Weakness: CWE-78

Which versions are affected by CVE-2021-21526?

It affects 1 product.

Products include Dell Powerscale Onefs.

How do I fix CVE-2021-21526?

No fix has been published for CVE-2021-21526 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2021-21526 being exploited?

There is no known exploitation of CVE-2021-21526 in the wild and no public exploit code.

Other vulnerabilities in Dell Powerscale Onefs

• CVE-2024-53298 Missing authorization in PowerScale OneFS Critical 9.8
• CVE-2025-27690 Hardcoded credentials in PowerScale OneFS Critical 9.8
• CVE-2022-31229 Information disclosure in PowerScale OneFS Critical 9.6
• CVE-2026-22278 Auth bypass in PowerScale OneFS High 8.1
• CVE-2024-29170 Hardcoded credentials in PowerScale OneFS High 8.1

All Dell Powerscale Onefs vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-j4m7-8245-9345.