# CVE-2021-38167: SQL injection in n/a

> An unauthenticated attacker can exploit SQL injection in Roxy-WI to extract UUIDs and bypass authentication, leading to unauthorized access.

- **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 Aug 2021
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-mg3v-vrx5-2853

## What is CVE-2021-38167?

CVE-2021-38167 is a critical SQL injection vulnerability in n/a, published on 7 Aug 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Roxy-WI through 5.2.2.0 allows SQL Injection via check_login. An unauthenticated attacker can extract a valid uuid to bypass authentication.

Weakness: CWE-89 (Improper Neutralization of Special Elements used in an SQL Command)

## Which versions are affected by CVE-2021-38167?

It affects 1 product.


Products: Roxy-Wi Roxy-Wi.

## How do I fix CVE-2021-38167?

No fix has been published for CVE-2021-38167 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-38167 being exploited?

There is no known exploitation of CVE-2021-38167 in the wild and no public exploit code.

## Other vulnerabilities in n/a

- [CVE-2022-31161](https://insights.sbomify.com/CVE-2022-31161/): Roxy-WI Vulnerable to Unauthenticated Remote Code Execution via ssl_cert Upload (critical 10.0)
- [CVE-2022-31137](https://insights.sbomify.com/CVE-2022-31137/): Unauthenticated Remote Code Execution in Roxy-WI (critical 10.0)
- [CVE-2022-31125](https://insights.sbomify.com/CVE-2022-31125/): Authentication Bypass in Roxy-wi (critical 10.0)
- [CVE-2022-31126](https://insights.sbomify.com/CVE-2022-31126/): Unauthenticated Remote Code Execution in Roxy-wi (critical 10.0)
- [CVE-2026-33076](https://insights.sbomify.com/CVE-2026-33076/): Roxy-WI vulnerable to path traversal and arbitrary file writing (high 8.9)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-38167 and fix it if it is affected.

What it is: CVE-2021-38167 is a critical SQL injection vulnerability in n/a, published on 7 Aug 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-2021-38167 in the wild and no public exploit code.

Affected product: n/a. 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-2021-38167/ (Markdown: https://insights.sbomify.com/CVE-2021-38167/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-38167
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-38167
- OSV: https://osv.dev/vulnerability/CVE-2021-38167

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-38167/
Summaries are generated and may contain mistakes; the official description above is the record.