CVE-2024-36611
High · 7.5CVSS
7.5
EPSS
0.8%
Published
Nov 29, 2024
CISA due date
—
Cloudanix analysis
A reported problem with login handling in Symfony turned out not to be a real issue after investigation.
- Exploitation
- Remote Unauthenticated
- Attacker needs
- None
- Complexity
- Low
- Impact
- Denial Of Service
- Component
- Web Framework
- Class
- Authentication Bypass
- Remediation
- No Fix Yet
- Effort
- Low
- Patch risk
- None
What it actually does
No vulnerability exists; the FormLoginAuthenticator component correctly handles empty username or password fields in login requests with no impact on authentication logic or service availability.
Why it matters to the business
No operational, security, or availability consequences; the reported issue was assessed as a false positive with zero risk to applications or users.
How an attack unfolds
No exploitation is possible because the reported flaw does not exist; the supplier confirmed the report as false after analysis.
How to fix it
No action required; the codebase already handles the scenario correctly and the reported commit a804ca15fcad279d7727b91d12a667fd5b925995 reflects ongoing maintenance unrelated to any vulnerability.
How to confirm the fix worked
Review the official Symfony security advisories and commit history to confirm the false-positive determination; no code changes are needed for this report.
Typical attack path
- No attack path exists due to the false positive nature of the report
How to detect it
No exploitation artifacts or logs to review; treat any alerts referencing this CVE as noise from the false report.
What your security team should do
- Ignore the CVE entry as a confirmed false report
- Continue monitoring official Symfony channels for genuine vulnerabilities
- Apply regular dependency updates per standard maintenance practices
The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| Packagist | symfony/security-http | 0 | 7.1.0 |
| Debian:11 | symfony | 0 | No fix |
| Debian:12 | symfony | 0 | No fix |
| Debian:13 | symfony | 0 | No fix |
| Debian:14 | symfony | 0 | No fix |
| Ubuntu:16.04:LTS | symfony | 0 | No fix |
| Ubuntu:20.04:LTS | symfony | 0 | No fix |
| Ubuntu:22.04:LTS | symfony | 0 | No fix |
| Ubuntu:24.04:LTS | symfony | 0 | No fix |
| Ubuntu:24.10 | symfony | 0 | No fix |
| Ubuntu:Pro:16.04:LTS | symfony | 0 | No fix |
| Ubuntu:Pro:18.04:LTS | symfony | 0 | No fix |
| Ubuntu:Pro:20.04:LTS | symfony | 0 | No fix |
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