Arbitrary file upload in Howfor Qihang_media_web_digital_signage

CVE-2020-36897

QiHang Media Web Digital Signage 3.0.9 contains an unauthenticated remote code execution vulnerability in the QH.aspx file that allows attackers to upload malicious ASPX scripts. Attackers can exploit the file upload functionality by using…

Vulnerability class: Unrestricted File Upload

EPSS: 0.011 (61.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-36897?
CVE-2020-36897 is a critical-severity vulnerability in Howfor Qihang_media_web_digital_signage, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2025-12-10.
How severe is CVE-2020-36897?
Critical severity. CVSS v3 base score is 9.8 out of 10.