CVE-2020-36898 PUBLISHED

QiHang Media Web Digital Signage 3.0.9 Unauthenticated Arbitrary File Deletion

Assigner: VulnCheck
Reserved: 09.12.2025 Published: 10.12.2025 Updated: 11.12.2025

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.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N
CVSS Score: 8.8

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	None	Availability	Low	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	Shenzhen Xingmeng Qihang Media Co., Ltd.Guangzhou Hefeng Automation Technology Co., Ltd.
Product	QiHang Media Web Digital Signage
Versions	Default: unaffected Version 3.0.9 is affected

Credits

LiquidWorm as Gjoko Krstic of Zero Science Lab finder

References

Problem Types

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') CWE