CVE-2024-11716

medium

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.

References

https://blog.ctfd.io/ctfd-3-7-5/

https://seclists.org/fulldisclosure/2024/Dec/21

https://github.com/CTFd/CTFd/pull/2636

https://ctfd.io/

https://cert.pl/en/posts/2025/01/CVE-2024-11716

http://seclists.org/fulldisclosure/2024/Dec/21

Details

Source: Mitre, NVD

Published: 2025-01-02

Updated: 2026-04-15

Risk Information

CVSS v2

Base Score: 6.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Severity: Medium

CVSS v4

Base Score: 5.3

Vector: 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

Severity: Medium

EPSS

EPSS: 0.0007