Auth bypass in Symfony
CVE-2024-51996
Symphony process is a module for the Symphony PHP framework which executes commands in sub-processes. When consuming a persisted remember-me cookie, Symfony does not check if the username persisted in the database matches the username atta…
Vulnerability class: Broken Authentication
EPSS: 0.001 (25.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Symfony — versions >= 5.3.0, < 5.4.47, >= 6.0.0-BETA1, < 6.4.15, >= 7.0.0-BETA1, < 7.1.8
Weakness classification (CWE)
Public proof-of-concept exploits
References
- https://github.com/symfony/symfony/security/advisories/GHSA-cg23-qf8f-62rr (x_refsource_CONFIRM)
- https://github.com/symfony/symfony/commit/81354d392c5f0b7a52bcbd729d6f82501e94135a (x_refsource_MISC)
Frequently asked questions
- What is CVE-2024-51996?
- CVE-2024-51996 is a high-severity vulnerability in Symfony, classified under Improper Authentication. CVSS score: 7.5/10. Published 2024-11-13.
- How severe is CVE-2024-51996?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2024-51996 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.