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 the 'remotePath' and 'fileToUpload' parameters to write and execute arbitrary system commands on the server.
Vulnerability class: Unrestricted File Upload
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.013 (69.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 69.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: +0.000
Affected products
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/48751 (Exploit, VDB Entry, Third Party Advisory, exploit)
- www.howfor.com (Product, product)
- www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5582.php (Exploit, vendor-advisory, Third Party Advisory)
- www.vulncheck.com/advisories/qihang-media-web-digital-signage-unauthenticated-r… (Third Party Advisory, third-party-advisory)
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.