CVE-2024-28833 Missing brute-force protection for two factor authentication
Attackers can brute-force two-factor authentication codes due to missing rate limiting, potentially taking over user accounts in Checkmk.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-28833?
CVE-2024-28833 is a medium-severity vulnerability in Checkmk Checkmk, published on 10 Jun 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Improper restriction of excessive authentication attempts with two factor authentication methods in Checkmk 2.3 before 2.3.0p6 facilitates brute-forcing of second factor mechanisms.
Weakness: CWE-307
Which versions are affected by CVE-2024-28833?
It affects 1 product.
Products include Checkmk Checkmk.
How do I fix CVE-2024-28833?
No fix has been published for CVE-2024-28833 yet. Limit exposure of the affected software until one is available.
Is CVE-2024-28833 being exploited?
There is no known exploitation of CVE-2024-28833 in the wild and no public exploit code.
Other vulnerabilities in Checkmk Checkmk
- CVE-2025-39666 omd: Local privilege escalation when executing omd commands as root
- CVE-2024-8606 Fix 2FA bypass via RestAPI
- CVE-2022-46836 PHP code injection in watolib
- CVE-2025-32919 Privilege Escalation in Windows License plugin for Checkmk Windows Agent
- CVE-2024-28827 Privilege escalation in Windows agent
Sources
Also known as GHSA-59h5-f896-qx2f, UBUNTU-CVE-2024-28833.