CVE-2020-36898
CriticalSummary
QiHang Media Web Digital Signage 3.0.9 contains an unauthenticated file deletion vulnerability in the QH.aspx endpoint that allows remote attackers to delete files without authentication. Attackers can exploit the 'data' parameter by sending a POST request with file paths to delete arbitrary files with web server permissions using directory traversal sequences.
Risk Assessment
The risk includes the ability to delete critical system files, potentially leading to service disruption or full system compromise.
Recommendation
Immediately upgrade QiHang Media Web Digital Signage to the latest version and implement input validation and access controls.
Original NVD description (English source)
QiHang Media Web Digital Signage 3.0.9 contains an unauthenticated file deletion vulnerability in the QH.aspx endpoint that allows remote attackers to delete files without authentication. Attackers can exploit the 'data' parameter by sending a POST request with file paths to delete arbitrary files with web server permissions using directory traversal sequences.