CVE-2021-21503 Command injection in PowerScale OneFS

What is CVE-2021-21503?

CVE-2021-21503 is a high-severity command injection vulnerability in Dell Emc Powerscale Onefs, published on 8 Mar 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

PowerScale OneFS 8.1.2,8.2.2 and 9.1.0 contains an improper input sanitization issue in a command. The Compadmin user could potentially exploit this vulnerability, leading to potential privileges escalation.

Weakness: CWE-78

Which versions are affected by CVE-2021-21503?

It affects 1 product.

Products include Dell Emc Powerscale Onefs.

How do I fix CVE-2021-21503?

No fix has been published for CVE-2021-21503 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-2021-21503 being exploited?

There is no known exploitation of CVE-2021-21503 in the wild and no public exploit code.

Other vulnerabilities in Dell Emc Powerscale Onefs

• CVE-2021-21502 Auth bypass in PowerScale OneFS Critical 9.8
• CVE-2022-26851 Information disclosure in PowerScale OneFS Critical 9.1
• CVE-2021-21506 Privilege escalation in PowerScale OneFS High 8.8
• CVE-2023-22575 Information disclosure in PowerScale OneFS High 8.7
• CVE-2021-21594 Information disclosure in PowerScale OneFS High 8.2

All Dell Emc Powerscale Onefs vulnerabilities

Sources

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

Also known as GHSA-phqj-85wm-jp7q.