CVE-2024-11716
- State
- Published
- Severity
- 5.3 Medium
- Published
- Jan 2, 2025
- Updated
- Nov 3, 2025
- Reserved
- Nov 25, 2024
Description
While assignment of a user to a team (bracket) in CTFd should be possible only once, at the registration, a flaw in logic implementation allows an authenticated user to reset it's bracket and then pick a new one, joining another team while a competition is already ongoing. This issue impacts releases from 3.7.0 up to 3.7.4 and was addressed by pull request 2636 https://github.com/CTFd/CTFd/pull/2636 included in 3.7.5 release.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N | CERT-PL |
Weaknesses
- CWE-837 Improper Enforcement of a Single, Unique Action
Affected Products
| Product | Versions |
|---|---|
CTFdCTFd |
|
References
- https://github.com/CTFd/CTFd/pull/2636patch
- https://cert.pl/en/posts/2025/01/CVE-2024-11716third-party-advisory
- https://ctfd.io/product
- https://blog.ctfd.io/ctfd-3-7-5/vendor-advisory
- https://seclists.org/fulldisclosure/2024/Dec/21mailing-listexploit
- http://seclists.org/fulldisclosure/2024/Dec/21
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