# CVE-2021-4290: DHBW Fallstudie Login passport.js sql injection

> SQL injection in the login component allows attackers to manipulate database queries via the id or email argument.

- **Severity:** Medium 5.5 (`CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L`)
- **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:** 27 Dec 2022
- **Updated:** 14 Apr 2025
- **Also known as:** GHSA-vm92-fjv4-325g

## What is CVE-2021-4290?

CVE-2021-4290 is a medium-severity SQL injection vulnerability in DHBW Fallstudie, published on 27 Dec 2022. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A vulnerability was found in DHBW Fallstudie. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file app/config/passport.js of the component Login. The manipulation of the argument id/email leads to sql injection. The name of the patch is 5c13c6a972ef4c07c5f35b417916e0598af9e123. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-216907.

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

## Which versions are affected by CVE-2021-4290?

It affects 1 product.


Products: Fallstudie Project Fallstudie.

## How do I fix CVE-2021-4290?

No fix has been published for CVE-2021-4290 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-4290 being exploited?

There is no known exploitation of CVE-2021-4290 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-4290 and fix it if it is affected.

What it is: CVE-2021-4290 is a medium-severity SQL injection vulnerability in DHBW Fallstudie, published on 27 Dec 2022. 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-2021-4290 in the wild and no public exploit code.

Affected product: DHBW Fallstudie. 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-2021-4290/ (Markdown: https://insights.sbomify.com/CVE-2021-4290/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-4290
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-4290
- OSV: https://osv.dev/vulnerability/CVE-2021-4290

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-4290/
Summaries are generated and may contain mistakes; the official description above is the record.