EUVD-2026-43652
GHSA-92pj-jr25-ww3p
Severity by source
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:H/SI:H/SA:H/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
AC:H reflects the required confluence of RUNAS=agent configuration plus absent explicit DB config; S:C and full C/I/A reflect root-level privilege escalation across the privilege boundary.
Primary rating from Vendor (Checkmk).
CVSS VectorVendor: Checkmk
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:H/SI:H/SA:H/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
Lifecycle Timeline
2DescriptionCVE.org
Privilege escalation in Checkmk versions 2.5.0 before 2.5.0p9, 2.4.0 before 2.4.0p34, 2.3.0 before 2.3.0p49, and 2.2.0 (EOL) allows a local unprivileged user to execute arbitrary commands as root by starting a process crafted to look like a SAP HANA instance. Without an explicit database configuration, the mk_sap_hana agent plugin derives instance identifiers from the process list and uses them to build a command executed with elevated privileges (requires the plugin to run as root with RUNAS=agent).
AnalysisAI
Privilege escalation in Checkmk's mk_sap_hana agent plugin allows a local unprivileged user to execute arbitrary commands as root by planting a process whose name mimics a SAP HANA instance. The plugin, when running as root under the RUNAS=agent configuration and lacking explicit database configuration, blindly reads the OS process list to derive SAP HANA instance identifiers and injects them unsanitized into a shell command executed with root privileges - a textbook CWE-78 OS command injection. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires all of the following specific conditions simultaneously: (1) The mk_sap_hana Checkmk agent plugin must be installed and active on the target host. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 score of 5.2 (Medium) accurately reflects the constrained real-world risk. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | A local attacker with unprivileged shell access on a Checkmk monitoring server starts a background process whose name is crafted to embed shell metacharacters or a secondary command within what appears to be a SAP HANA instance identifier (e.g., a process named to mimic a HANA SID containing a command substitution). When the mk_sap_hana plugin next executes its scheduled check as root, it reads the process list, extracts the attacker-controlled string as a legitimate instance identifier, and passes it unsanitized into a shell command - executing the injected payload with root privileges. … |
| Remediation | Upgrade to a patched release immediately: Checkmk 2.5.0p9, 2.4.0p34, or 2.3.0p49 as applicable, per the vendor advisory at https://checkmk.com/werk/20104. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-78 – OS Command Injection
View allSame technique Privilege Escalation
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External POC / Exploit Code
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