EUVD-2025-209737
GHSA-5gxm-mp3j-xhc7
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Requires local access plus control of the process PATH environment and a writable path directory, so AV:L, PR:H and AC:H; successful hijack yields full code execution in the service context, hence C/I/A:H.
Primary rating from NVD.
CVSS VectorNVD
Lifecycle Timeline
4DescriptionCVE.org
RayVentory Scan Engine through 12.6 Update 8 allows attackers to gain privileges if they control the value of the PATH environment variable. NOTE: this is disputed because ability of an attacker to control the environment is a site-specific misconfiguration.
AnalysisAI
Local privilege escalation in Raynet RayVentory Scan Engine through version 12.6 Update 8 stems from an uncontrolled search path (CWE-427): if an attacker can set the PATH environment variable used by the process, they can force execution of a malicious binary and gain elevated privileges. Publicly available exploit code exists (GitHub, Wise-Security), and CISA's SSVC framework marks technical impact as total and the flaw as automatable, but there is no confirmed active exploitation and EPSS is negligible (0.02%). Note the CVE is officially DISPUTED, since controlling the PATH environment is characterized as a site-specific misconfiguration rather than an inherent product flaw.
Technical ContextAI
RayVentory Scan Engine is an agentless/agent-based IT asset discovery and inventory scanning component from Raynet, deployed in enterprise environments to enumerate hardware and software. The root cause is CWE-427 (Uncontrolled Search Path Element): the application invokes helper executables without specifying absolute paths, so the operating system resolves those names against the PATH environment variable. When a directory the attacker can write to appears earlier in PATH than the legitimate system directories, the OS loads the attacker's substitute binary. The provided CPE string (cpe:2.3:a:n/a:n/a:*) is a placeholder with no meaningful vendor/product/version data, so exact affected-package identification relies on the vendor advisory rather than NVD CPE.
RemediationAI
Update RayVentory Scan Engine to the fixed 12.6 build described in Raynet advisory RVY200865 (https://support.raynet.de/hc/en-us/articles/19518792826132-RVY200865-RayVentory-12-6); the input does not provide an exact numbered fix release beyond '12.6', so confirm the precise patched build with Raynet before deployment. As compensating controls where patching is delayed: run the Scan Engine service under a dedicated least-privilege account so a hijacked binary cannot escalate to SYSTEM/root; lock down the service's effective PATH to only trusted, non-writable directories and remove any world-writable or user-writable directories that precede system paths; and restrict write access to the service's working and installation directories to administrators only. The trade-off is operational: tightening PATH and directory ACLs can break helper tools that rely on relative resolution, so validate discovery scans still function after the change. Because the issue is disputed as a configuration weakness, hardening the host environment is as important as the vendor update.
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Same weakness CWE-427 – Uncontrolled Search Path Element
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External POC / Exploit Code
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