CVE-2024-38865: checkmk gmbh checkmk Improper Neutralization of Delimiters
Vulnerability summary
CVE-2024-38865 is a high (CVSS 8.8) Improper Neutralization of Delimiters vulnerability in checkmk gmbh checkmk. EPSS estimates a 0.88% chance of exploitation in the next 30 days, higher than 58.6% of scored vulnerabilities.
Timeline
- 10-04-2025PublishedVulnerability first disclosed.
- 10-04-2025Last modifiedVulnerability information updated.
Description
Improper neutralization of livestatus command delimiters in a specific endpoint within RestAPI of Checkmk prior to 2.2.0p39, 2.3.0p25, and 2.1.0p51 (EOL) allows arbitrary livestatus command execution. Exploitation requires the attacker to have a contact group assigned to their user account and for an event to originate from a host with the same contact group or from an event generated with an unknown host.
CVSS metrics
5 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated6.0MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
- NVDNIST6.0MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- OSV · UbuntuEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.88%
Chance of exploitation in the next 30 days
Percentile
59%
Versus all other CVEs
30-day change
+0.02 pp
From 0.86% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Checkmk1 product
- checkmkEOL< 2.1.0 | 2.1.0 | 2.1.0:b1 | 2.1.0:b2 | 2.1.0:b3 | 2.1.0:b4 | 2.1.0:b5 | 2.1.0:b6 | 2.1.0:b7 | 2.1.0:b8 | 2.1.0:b9 | 2.1.0:p1 | 2.1.0:p10 | 2.1.0:p11 | 2.1.0:p12 | 2.1.0:p13 | 2.1.0:p14 | 2.1.0:p15 | 2.1.0:p16 | 2.1.0:p17 | 2.1.0:p18 | 2.1.0:p19 | 2.1.0:p2 | 2.1.0:p20 | 2.1.0:p21 | 2.1.0:p22 | 2.1.0:p23 | 2.1.0:p24 | 2.1.0:p25 | 2.1.0:p26 | 2.1.0:p27 | 2.1.0:p28 | 2.1.0:p29 | 2.1.0:p3 | 2.1.0:p30 | 2.1.0:p31 | 2.1.0:p32 | 2.1.0:p33 | 2.1.0:p34 | 2.1.0:p35 | 2.1.0:p36 | 2.1.0:p37 | 2.1.0:p38 | 2.1.0:p39 | 2.1.0:p4 | 2.1.0:p40 | 2.1.0:p41 | 2.1.0:p42 | 2.1.0:p43 | 2.1.0:p44 | 2.1.0:p45 | 2.1.0:p46 | 2.1.0:p47 | 2.1.0:p48 | 2.1.0:p49 | 2.1.0:p5 | 2.1.0:p50 | 2.1.0:p6 | 2.1.0:p7 | 2.1.0:p8 | 2.1.0:p9 | 2.2.0 | 2.2.0:b1 | 2.2.0:b2 | 2.2.0:b3 | 2.2.0:b4 | 2.2.0:b5 | 2.2.0:b6 | 2.2.0:b7 | 2.2.0:b8 | 2.2.0:i1 | 2.2.0:p1 | 2.2.0:p10 | 2.2.0:p11 | 2.2.0:p12 | 2.2.0:p13 | 2.2.0:p14 | 2.2.0:p15 | 2.2.0:p16 | 2.2.0:p17 | 2.2.0:p18 | 2.2.0:p19 | 2.2.0:p2 | 2.2.0:p20 | 2.2.0:p21 | 2.2.0:p22 | 2.2.0:p23 | 2.2.0:p24 | 2.2.0:p25 | 2.2.0:p26 | 2.2.0:p27 | 2.2.0:p28 | 2.2.0:p29 | 2.2.0:p3 | 2.2.0:p30 | 2.2.0:p31 | 2.2.0:p32 | 2.2.0:p33 | 2.2.0:p34 | 2.2.0:p35 | 2.2.0:p36 | 2.2.0:p37 | 2.2.0:p38 | 2.2.0:p4 | 2.2.0:p40 | 2.2.0:p5 | 2.2.0:p6 | 2.2.0:p7 | 2.2.0:p8 | 2.2.0:p9 | 2.3.0 | 2.3.0:b1 | 2.3.0:b2 | 2.3.0:b3 | 2.3.0:b4 | 2.3.0:b5 | 2.3.0:b6 | 2.3.0:p1 | 2.3.0:p10 | 2.3.0:p11 | 2.3.0:p12 | 2.3.0:p13 | 2.3.0:p14 | 2.3.0:p15 | 2.3.0:p16 | 2.3.0:p17 | 2.3.0:p18 | 2.3.0:p19 | 2.3.0:p2 | 2.3.0:p20 | 2.3.0:p21 | 2.3.0:p22 | 2.3.0:p23 | 2.3.0:p24 | 2.3.0:p28 | 2.3.0:p29 | 2.3.0:p3 | 2.3.0:p4 | 2.3.0:p5 | 2.3.0:p6 | 2.3.0:p7 | 2.3.0:p8 | 2.3.0:p9
Checkmk gmbh1 product
- checkmk≥ 2.3.0, < 2.3.0p25 | ≥ 2.2.0, < 2.2.0p39 | ≥ 2.1.0, ≤ 2.1.0p50
Ubuntu1 product
- check-mkAll versions (No fix recorded)
3 vendors · 3 products