CVE-2024-11716

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.

CVSS v4.0

5.3 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS

11.66% chance of exploitation in the next 30 days, 96th percentile

Published

2025-01-02

Updated

2025-11-03

Proof-of-concept exploits (1)

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

References

• CVE Record
• NVD entry

Related

• CVE-2024-11681
• CVE-2024-11717
• CVE-2024-11680
• CVE-2024-11718
• CVE-2024-11678
• CVE-2024-11719