CVE-2020-36898

QiHang Media Web Digital Signage 3.0.9 Unauthenticated Arbitrary File Deletion

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.

Affected

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

CVSS v4.0 VULNCHECK

8.8 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:L/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

9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

EPSS

1.74% chance of exploitation in the next 30 days, 77th percentile

Published

2025-12-10

Updated

2025-12-11

Proof-of-concept exploits (1)

• https://www.exploit-db.com/exploits/48749

Security advisories

• https://www.vulncheck.com/advisories/qihang-media-web-digital-signage-unauthenticated-arb…
• https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5580.php
• http://www.howfor.com

References

• CVE Record
• NVD entry