CVE-2024-11716CWE-837

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…

Medium · published January 2, 2025

CVSS v4.0
5.3
EPSS
12%
Percentile
96.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.3 · MEDIUM
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
EPSS
0.11584 · 96.0th percentile
Weakness
CWE-837 · Improper Enforcement of a Single, Unique Action
Published
2025-01-02T16:07Z
EPSS history
Timeline
  • 02 JAN 16:07Z
    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…
    cvelistv5