CVE-2020-36898

moderate-risk
Published 2025-12-10

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.

Do I need to act?

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17.8% chance of exploitation in next 30 days
EPSS score — higher than 82% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.1/10 Critical
NETWORK / LOW complexity

Affected Products (1)

Qihang Media Web Digital Signage

Affected Vendors

Howfor

References (5)

Product http://www.howfor.com
Exploit https://www.exploit-db.com/exploits/48749
Third Party Advisory https://www.vulncheck.com/advisories/qihang-media-web-digital-signage-unauthenti...
Exploit https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5580.php
Exploit https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5580.php
49
/ 100
moderate-risk
Severity 31/34 · Critical
Exploitability 13/34 · Low
Exposure 5/34 · Minimal