CVE-2023-6251 CSRF in delete_user_message
An authenticated attacker can exploit CSRF to delete user messages in Checkmk, requiring an upgrade to mitigate.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-6251?
CVE-2023-6251 is a low-severity vulnerability in Checkmk Checkmk, published on 24 Nov 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Cross-site Request Forgery (CSRF) in Checkmk < 2.2.0p15, < 2.1.0p37, <= 2.0.0p39 allow an authenticated attacker to delete user-messages for individual users.
Weakness: CWE-352
Which versions are affected by CVE-2023-6251?
It affects 1 product.
Products include Checkmk Checkmk.
How do I fix CVE-2023-6251?
No fix has been published for CVE-2023-6251 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-6251 being exploited?
There is no known exploitation of CVE-2023-6251 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-69fm-h692-4f7v, UBUNTU-CVE-2023-6251.