The unquoted service path vulnerability (documented in CVE-2021-47790 ) is a classic security flaw that allows for local privilege escalation on Windows systems. It occurs when a service's executable path contains spaces and is not enclosed in quotation marks, confusing the Windows API into potentially executing a malicious binary instead of the intended program. 🛡️ Understanding the Vulnerability
If you are running Active WebCam 11.5, it is vital to verify and fix the service path. While specialized security intelligence platforms like
C:\Program Files (x86)\Active.exe (with Webcam\WebcamService.exe passed as an argument) active webcam 115 unquoted service path patched
: Official vulnerability database entry providing severity scores and technical descriptions at VulnCheck Advisory
Active WebCam 11.5, a legacy software utility designed for capturing, streaming, and monitoring surveillance feeds, suffers from this exact configuration oversight. CVE-2021-47790 Detail - NVD This command filters out standard Windows system services
: The first step is to identify what specific vulnerability or issue is being referred to. This could involve looking up the CVE (Common Vulnerabilities and Exposures) list or checking the documentation of the software/service in question to see if there are known issues related to unquoted service paths.
This command filters out standard Windows system services and searches for automatic-start services whose paths do not begin with or contain quotation marks. 2. Checking Permissions Manual Registry Remediation User-facing notes
sc qc ACTIVEWEBCAM
This article provides a comprehensive deep‑dive into the vulnerability, explaining what an unquoted service path is, how CVE‑2021‑47790 can be exploited, the full impact of the flaw, and most importantly, the mitigation steps that administrators and users must take now that a patch is available.
When software developers patch an unquoted service path vulnerability, they update the installation script or MSI installer package. The installer is modified to explicitly wrap the ImagePath registry entry in quotes during deployment. 2. Manual Registry Remediation
User-facing notes