CVE-2020-26196 Path traversal in PowerScale OneFS

What is CVE-2020-26196?

CVE-2020-26196 is a medium-severity path traversal vulnerability in Dell Emc Powerscale Onefs, published on 9 Feb 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 versions 8.1.0-9.1.0 contain a Backup/Restore Privilege implementation issue. A user with the BackupAdmin role may potentially exploit this vulnerability resulting in the ability to write data outside of the intended file system location.

Weakness: CWE-732

Which versions are affected by CVE-2020-26196?

It affects 1 product.

Products include Dell Emc Powerscale Onefs.

How do I fix CVE-2020-26196?

No fix has been published for CVE-2020-26196 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2020-26196 being exploited?

There is no known exploitation of CVE-2020-26196 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-5c78-cfx6-pmjr.