What is CVE-2023-1768?

CVE-2023-1768 is a low-severity vulnerability in Checkmk, classified under CWE-446. CVSS score: 3.7/10. Published 2023-04-04.

How severe is CVE-2023-1768?

Low severity. CVSS v3 base score is 3.7 out of 10.

Vulnerability in Checkmk

CVE-2023-1768

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.

Published 2023-04-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.009 (58.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Checkmk — versions 1.6.0, 2.0.0, 2.1.0
Tribe29 Checkmk — versions 1.6.0p18, 1.6.0p13, 1.6.0p10

Weakness classification (CWE)

CWE-446

References

checkmk.com/werk/15423 (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2023-1768?: CVE-2023-1768 is a low-severity vulnerability in Checkmk, classified under CWE-446. CVSS score: 3.7/10. Published 2023-04-04.
How severe is CVE-2023-1768?: Low severity. CVSS v3 base score is 3.7 out of 10.