CVE-2020-36899

QiHang Media Web Digital Signage 3.0.9 Unauthenticated Arbitrary File Disclosure

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.

Affected

Shenzhen Xingmeng Qihang Media Co., Ltd. Guangzhou Hefeng Automation Technology Co., Ltd. · QiHang Media Web Digital Signage

CVSS v4.0 VULNCHECK

8.7 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 NVD

7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS

0.92% chance of exploitation in the next 30 days, 60th percentile

Published

2025-12-10

Updated

2025-12-11

Proof-of-concept exploits (1)

• https://www.exploit-db.com/exploits/48750

Security advisories

• https://www.vulncheck.com/advisories/qihang-media-web-digital-signage-unauthenticated-arb…
• https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5581.php
• http://www.howfor.com

References

• CVE Record
• NVD entry