CVE-2021-21550 Command injection in PowerScale OneFS

What is CVE-2021-21550?

CVE-2021-21550 is a medium-severity command injection vulnerability in Dell Emc Powerscale Onefs, published on 6 May 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Dell EMC PowerScale OneFS 8.1.0-9.1.0 contain an improper neutralization of special elements used in an OS command vulnerability. This vulnerability can allow an authenticated user with ISI_PRIV_LOGIN_SSH or ISI_PRIV_LOGIN_CONSOLE privileges to escalate privileges.

Weakness: CWE-78

Which versions are affected by CVE-2021-21550?

It affects 1 product.

Products include Dell Emc Powerscale Onefs.

How do I fix CVE-2021-21550?

No fix has been published for CVE-2021-21550 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-2021-21550 being exploited?

There is no known exploitation of CVE-2021-21550 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-v765-4wqm-22jh.