CVE-2023-1768 Symmetric agent data encryption fails silently
Attackers can read sensitive agent data in plaintext due to silent encryption failures in specific Checkmk configurations.
- 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-2023-1768?
CVE-2023-1768 is a low-severity vulnerability in Checkmk Checkmk, published on 4 Apr 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Inappropriate error handling in Tribe29 Checkmk <= 2.1.0p25, <= 2.0.0p34, <= 2.2.0b3 (beta), and all versions of Checkmk 1.6.0 causes the symmetric encryption of agent data to fail silently and transmit the data in plaintext in certain configurations.
Weakness: CWE-446
Which versions are affected by CVE-2023-1768?
It affects 2 products.
Products include Checkmk Checkmk, Tribe29 Checkmk.
How do I fix CVE-2023-1768?
No fix has been published for CVE-2023-1768 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-1768 being exploited?
There is no known exploitation of CVE-2023-1768 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-72mw-x5mh-hqfp, UBUNTU-CVE-2023-1768.