6.3

CVE-2025-3506: checkmk gmbh checkmk

CVSS: 6.3v4.0MediumAnalyzed
AliasesUBUNTU-CVE-2025-3506
Published 08-05-2025Last modified 08-05-2025

Vulnerability summary

CVE-2025-3506 is a medium (CVSS 6.3) vulnerability in checkmk gmbh checkmk. EPSS estimates a 0.32% chance of exploitation in the next 30 days, higher than 24.1% of scored vulnerabilities.

Overall risk
25/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.3/10
010
Medium · v4.0 (CVE.org)
EPSS score
0.32%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 08-05-2025
    PublishedVulnerability first disclosed.
  2. 08-05-2025
    Last modifiedVulnerability information updated.

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.

CVSS metrics

5 scores · 3 sources · 2 versions

EPSS trend

Probability

0.32%

Chance of exploitation in the next 30 days

Percentile

24%

Versus all other CVEs

30-day change

+0.01 pp

From 0.31% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.32%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Checkmk1 product
  • checkmk≥ 2.1.0, ≤ 2.3.0 | 2.4.0 | 2.4.0:b1 | 2.4.0:b2 | 2.4.0:b3 | 2.4.0:b4 | 2.4.0:b5
Checkmk gmbh1 product
  • checkmkEOL≥ 2.4.0, < 2.4.0b6 | 2.3.0 | 2.2.0 | ≥ 2.1.0, ≤ 2.1.0p50
Ubuntu1 product
  • check-mkAll versions (No fix recorded)

3 vendors · 3 products

References

3 links