# CVE-2021-32535: QSAN SANOS - Use of Hard-coded Credentials

> Unauthenticated attackers can use hard-coded credentials to gain administrator access and execute arbitrary functions on QSAN SANOS devices.

- **Severity:** Critical 9.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 7 Jul 2021
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-3h6m-3jhx-cfg9

## What is CVE-2021-32535?

CVE-2021-32535 is a critical vulnerability in QSAN SANOS, published on 7 Jul 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The vulnerability of hard-coded default credentials in QSAN SANOS allows unauthenticated remote attackers to obtain administrator’s permission and execute arbitrary functions. The referred vulnerability has been solved with the updated version of QSAN SANOS v2.1.0.

Weakness: CWE-798 (Use of Hard-coded Credentials)

## Which versions are affected by CVE-2021-32535?

It affects 1 product.


Products: Qsan Sanos.

## How do I fix CVE-2021-32535?

No fix has been published for CVE-2021-32535 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-32535 being exploited?

There is no known exploitation of CVE-2021-32535 in the wild and no public exploit code.

## Other vulnerabilities in QSAN SANOS

- [CVE-2021-32519](https://insights.sbomify.com/CVE-2021-32519/): QSAN Storage Manager, XEVO, SANOS - Use of Password Hash With Insufficient Computational Effort (critical 9.8)
- [CVE-2021-32522](https://insights.sbomify.com/CVE-2021-32522/): QSAN Storage Manager, XEVO, SANOS - Improper Restriction of Excessive Authentication Attempts (critical 9.8)
- [CVE-2021-32529](https://insights.sbomify.com/CVE-2021-32529/): QSAN XEVO, SANOS - Command Injection -1 (critical 9.8)
- [CVE-2021-32533](https://insights.sbomify.com/CVE-2021-32533/): QSAN SANOS - Command Injection (critical 9.8)
- [CVE-2021-32534](https://insights.sbomify.com/CVE-2021-32534/): QSAN SANOS - Command Injection (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-32535 and fix it if it is affected.

What it is: CVE-2021-32535 is a critical vulnerability in QSAN SANOS, published on 7 Jul 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2021-32535 in the wild and no public exploit code.

Affected product: QSAN SANOS. 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-2021-32535/ (Markdown: https://insights.sbomify.com/CVE-2021-32535/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-32535
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-32535
- OSV: https://osv.dev/vulnerability/CVE-2021-32535

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-32535/
Summaries are generated and may contain mistakes; the official description above is the record.