CVE-2020-36899 HIGH

CVE-2020-36899: QiHang Media Web Digital Signage 3.0.9 Unauthenticated Arbitrary File Disclosure

Vendor Shenzhen Xingmeng Qihang Media Co., Ltd. Guangzhou Hefeng Automation Technology Co., Ltd.
Product QiHang Media Web Digital Signage
Weakness CWE-530
Published December 10, 2025
Last update December 11, 2025

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

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

What the vulnerability does

01Description

QiHang Media Web Digital Signage 3.0.9 contains an unauthenticated file disclosure vulnerability that allows remote attackers to access sensitive files through unverified 'filename' and 'path' parameters. Attackers can exploit the QH.aspx endpoint to read arbitrary files and directory contents without authentication by manipulating download and getAll actions.

Key dates

02Disclosure timeline

December 10, 2025 CVE published
December 11, 2025 Record updated