CVE-2020-36899

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.

CVSS v4.0

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

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

EPSS

0.94% chance of exploitation in the next 30 days, 58th percentile

Published

2025-12-10

Updated

2025-12-11

Proof-of-concept exploits (1)

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

References

• CVE Record
• NVD entry

Related

• CVE-2020-36898
• CVE-2020-36900
• CVE-2020-36897
• CVE-2020-36901
• CVE-2020-36896
• CVE-2020-36902