# CVE-2020-26193: Command injection in PowerScale OneFS

> Privileged users can execute arbitrary OS commands on Dell PowerScale OneFS due to improper input validation.

- **Severity:** High 7.8 (`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 9 Feb 2021
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-fp2h-7c85-hmf9

## What is CVE-2020-26193?

CVE-2020-26193 is a high-severity command injection 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 an improper input validation vulnerability. A user with the ISI_PRIV_CLUSTER privilege may exploit this vulnerability, leading to the execution of arbitrary OS commands on the application's underlying OS, with the privileges of the vulnerable application.

Weakness: CWE-78 (Improper Neutralization of Special Elements used in an OS Command), CWE-20 (Improper Input Validation)

## Which versions are affected by CVE-2020-26193?

It affects 1 product.


Products: Dell Emc Powerscale Onefs.

## How do I fix CVE-2020-26193?

No fix has been published for CVE-2020-26193 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-26193 being exploited?

There is no known exploitation of CVE-2020-26193 in the wild and no public exploit code.

## Other vulnerabilities in Dell Emc Powerscale Onefs

- [CVE-2021-21502](https://insights.sbomify.com/CVE-2021-21502/): Auth bypass in PowerScale OneFS (critical 9.8)
- [CVE-2022-26851](https://insights.sbomify.com/CVE-2022-26851/): Information disclosure in PowerScale OneFS (critical 9.1)
- [CVE-2021-21506](https://insights.sbomify.com/CVE-2021-21506/): Privilege escalation in PowerScale OneFS (high 8.8)
- [CVE-2023-22575](https://insights.sbomify.com/CVE-2023-22575/): Information disclosure in PowerScale OneFS (high 8.7)
- [CVE-2021-21594](https://insights.sbomify.com/CVE-2021-21594/): Information disclosure in PowerScale OneFS (high 8.2)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-26193 and fix it if it is affected.

What it is: CVE-2020-26193 is a high-severity command injection 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.
Exploitation: There is no known exploitation of CVE-2020-26193 in the wild and no public exploit code.

Affected product: Dell Emc Powerscale Onefs. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2020-26193/ (Markdown: https://insights.sbomify.com/CVE-2020-26193/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-26193
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-26193
- OSV: https://osv.dev/vulnerability/CVE-2020-26193

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From sbomify Insights: https://insights.sbomify.com/CVE-2020-26193/
Summaries are generated and may contain mistakes; the official description above is the record.