CVE-2020-36899

moderate-risk
Published 2025-12-10

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.

Do I need to act?

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0.79% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (1)

Qihang Media Web Digital Signage

Affected Vendors

Howfor

References (6)

Product http://www.howfor.com
Exploit https://www.exploit-db.com/exploits/48750
Third Party Advisory https://www.vulncheck.com/advisories/qihang-media-web-digital-signage-unauthenti...
Exploit https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5581.php
Exploit https://www.exploit-db.com/exploits/48750
Exploit https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5581.php
34
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 3/34 · Minimal
Exposure 5/34 · Minimal