CVE-2025-3506 Potentially senitive path exposed via unauthenticated http route
Unauthenticated attackers can access sensitive deployment files containing secrets via exposed HTTP routes 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-2025-3506?
CVE-2025-3506 is a medium-severity vulnerability in Checkmk Checkmk, published on 8 May 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Files to be deployed with agents are accessible without authentication in Checkmk 2.1.0, Checkmk 2.2.0, Checkmk 2.3.0 and <Checkmk 2.4.0b6 allows attacker to access files that could contain secrets.
Weakness: CWE-497
Which versions are affected by CVE-2025-3506?
It affects 1 product.
Products include Checkmk Checkmk.
How do I fix CVE-2025-3506?
No fix has been published for CVE-2025-3506 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-3506 being exploited?
There is no known exploitation of CVE-2025-3506 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-6ghc-9qc9-qfm5, UBUNTU-CVE-2025-3506.