CVE-2025-65000

Published: Dec 18, 2025Modified: Jun 17, 2026

2.3

Vector

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

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:XShow less

Source: security@checkmk.com (Secondary)

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.

Affected (74)

Products: Checkmk: Checkmk

Checkmk

1 product

Checkmk

Configuration A

74 vulnerable

Vulnerable Software	Affected Versions
Checkmk Checkmk	Version 2.2.0
Checkmk Checkmk	Version 2.3.0
Checkmk Checkmk	Version 2.3.0 b1
Checkmk Checkmk	Version 2.3.0 b2
Checkmk Checkmk	Version 2.3.0 b3
Checkmk Checkmk	Version 2.3.0 b4
Checkmk Checkmk	Version 2.3.0 b5
Checkmk Checkmk	Version 2.3.0 b6
Checkmk Checkmk	Version 2.3.0 p10
Checkmk Checkmk	Version 2.3.0 p11
Checkmk Checkmk	Version 2.3.0 p12
Checkmk Checkmk	Version 2.3.0 p13
Checkmk Checkmk	Version 2.3.0 p14
Checkmk Checkmk	Version 2.3.0 p15
Checkmk Checkmk	Version 2.3.0 p16
Checkmk Checkmk	Version 2.3.0 p17
Checkmk Checkmk	Version 2.3.0 p18
Checkmk Checkmk	Version 2.3.0 p19
Checkmk Checkmk	Version 2.3.0 p1
Checkmk Checkmk	Version 2.3.0 p20
Checkmk Checkmk	Version 2.3.0 p21
Checkmk Checkmk	Version 2.3.0 p22
Checkmk Checkmk	Version 2.3.0 p23
Checkmk Checkmk	Version 2.3.0 p24
Checkmk Checkmk	Version 2.3.0 p25
Checkmk Checkmk	Version 2.3.0 p26
Checkmk Checkmk	Version 2.3.0 p27
Checkmk Checkmk	Version 2.3.0 p28
Checkmk Checkmk	Version 2.3.0 p29
Checkmk Checkmk	Version 2.3.0 p2
Checkmk Checkmk	Version 2.3.0 p30
Checkmk Checkmk	Version 2.3.0 p31
Checkmk Checkmk	Version 2.3.0 p32
Checkmk Checkmk	Version 2.3.0 p33
Checkmk Checkmk	Version 2.3.0 p34
Checkmk Checkmk	Version 2.3.0 p35
Checkmk Checkmk	Version 2.3.0 p36
Checkmk Checkmk	Version 2.3.0 p37
Checkmk Checkmk	Version 2.3.0 p38
Checkmk Checkmk	Version 2.3.0 p39
Checkmk Checkmk	Version 2.3.0 p3
Checkmk Checkmk	Version 2.3.0 p40
Checkmk Checkmk	Version 2.3.0 p41
Checkmk Checkmk	Version 2.3.0 p4
Checkmk Checkmk	Version 2.3.0 p5
Checkmk Checkmk	Version 2.3.0 p6
Checkmk Checkmk	Version 2.3.0 p7
Checkmk Checkmk	Version 2.3.0 p8
Checkmk Checkmk	Version 2.3.0 p9
Checkmk Checkmk	Version 2.4.0
Checkmk Checkmk	Version 2.4.0 b1
Checkmk Checkmk	Version 2.4.0 b2
Checkmk Checkmk	Version 2.4.0 b3
Checkmk Checkmk	Version 2.4.0 b4
Checkmk Checkmk	Version 2.4.0 b5
Checkmk Checkmk	Version 2.4.0 b6
Checkmk Checkmk	Version 2.4.0 p10
Checkmk Checkmk	Version 2.4.0 p11
Checkmk Checkmk	Version 2.4.0 p12
Checkmk Checkmk	Version 2.4.0 p13
Checkmk Checkmk	Version 2.4.0 p14
Checkmk Checkmk	Version 2.4.0 p15
Checkmk Checkmk	Version 2.4.0 p16
Checkmk Checkmk	Version 2.4.0 p17
Checkmk Checkmk	Version 2.4.0 p18
Checkmk Checkmk	Version 2.4.0 p1
Checkmk Checkmk	Version 2.4.0 p2
Checkmk Checkmk	Version 2.4.0 p3
Checkmk Checkmk	Version 2.4.0 p4
Checkmk Checkmk	Version 2.4.0 p5
Checkmk Checkmk	Version 2.4.0 p6
Checkmk Checkmk	Version 2.4.0 p7
Checkmk Checkmk	Version 2.4.0 p8
Checkmk Checkmk	Version 2.4.0 p9

Related CWEs

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.

References (1)

https://checkmk.com/werk/19030

Source: security@checkmk.com

Vendor Advisory

Timeline

No history available yet.