CVE-2025-65000
Dec. 23, 2025, 5:04 p.m.
2.3
Low
Description
SSH private keys of the "Remote alert handlers (Linux)" rule were exposed in the rule page's HTML source in Checkmk <= 2.4.0p18 and all versions of Checkmk 2.3.0. This potentially allowed unauthorized triggering of predefined alert handlers on hosts where the handler was deployed.
Product(s) Impacted
| Vendor | Product | Versions |
|---|---|---|
| Checkmk |
|
|
Weaknesses
Common security weaknesses mapped to this vulnerability.
CWE-212
Improper Removal of Sensitive Information Before Storage or Transfer
The product stores, transfers, or shares a resource that contains sensitive information, but it does not properly remove that information before the product makes the resource available to unauthorized actors.
*CPE(s)
Affected systems and software identified for this CVE.
| Type | Vendor | Product | Version | Update | Edition | Language | Software Edition | Target Software | Target Hardware | Other Information |
|---|---|---|---|---|---|---|---|---|---|---|
| a | checkmk | checkmk | 2.2.0 | / | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.3.0 | - | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.3.0 | b1 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.3.0 | b2 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.3.0 | b3 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.3.0 | b4 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.3.0 | b5 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.3.0 | b6 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.3.0 | p1 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.3.0 | p10 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.3.0 | p11 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.3.0 | p12 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.3.0 | p13 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.3.0 | p14 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.3.0 | p15 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.3.0 | p16 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.3.0 | p17 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.3.0 | p18 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.3.0 | p19 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.3.0 | p2 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.3.0 | p20 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.3.0 | p21 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.3.0 | p22 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.3.0 | p23 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.3.0 | p24 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.3.0 | p25 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.3.0 | p26 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.3.0 | p27 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.3.0 | p28 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.3.0 | p29 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.3.0 | p3 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.3.0 | p30 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.3.0 | p31 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.3.0 | p32 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.3.0 | p33 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.3.0 | p34 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.3.0 | p35 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.3.0 | p36 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.3.0 | p37 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.3.0 | p38 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.3.0 | p39 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.3.0 | p4 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.3.0 | p40 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.3.0 | p41 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.3.0 | p5 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.3.0 | p6 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.3.0 | p7 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.3.0 | p8 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.3.0 | p9 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.4.0 | - | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.4.0 | b1 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.4.0 | b2 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.4.0 | b3 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.4.0 | b4 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.4.0 | b5 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.4.0 | b6 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.4.0 | p1 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.4.0 | p10 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.4.0 | p11 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.4.0 | p12 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.4.0 | p13 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.4.0 | p14 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.4.0 | p15 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.4.0 | p16 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.4.0 | p17 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.4.0 | p18 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.4.0 | p2 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.4.0 | p3 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.4.0 | p4 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.4.0 | p5 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.4.0 | p6 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.4.0 | p7 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.4.0 | p8 | / | / | / | / | / | / |
| a | checkmk | checkmk | 2.4.0 | p9 | / | / | / | / | / | / |
References
Tags
CVSS Score
CVSS Data - 4.0
- Attack Vector: NETWORK
- Attack Complexity: LOW
- Attack Requirements: PRESENT
- Privileges Required: LOW
- User Interaction: NONE
- Scope:
- Confidentiality Impact: LOW
- Integrity Impact: NONE
- Availability Impact: NONE
- Exploit Maturity: NOT_DEFINED
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:L/SA:L/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
Timeline
Published: Dec. 18, 2025, 2:15 p.m.
Last Modified: Dec. 23, 2025, 5:04 p.m.
Last Modified: Dec. 23, 2025, 5:04 p.m.
Status : Analyzed
CVE has had analysis completed and all data associations made.
More infoSource
security@checkmk.com
*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.