CVE-2020-36899

Howfor Qihang Media Web Digital Signage vulnerability

7.5 HIGHPublic exploitEPSS 0.92%

Published10 Dec 2025

Description

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 3.1 breakdown

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Affected products

Howfor Qihang Media Web Digital Signage3.0.9

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

https://www.exploit-db.com/exploits/48750ExploitThird Party AdvisoryVDB Entry
https://www.vulncheck.com/advisories/qihang-media-web-digital-signage-unauthenticated-arbitrary-file-disclosureThird Party Advisory
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5581.phpExploitThird Party Advisory
http://www.howfor.comProduct

Frequently asked

Is CVE-2020-36899 being actively exploited?

CVE-2020-36899 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.92%.

How severe is CVE-2020-36899?

CVE-2020-36899 has a CVSS 3.1 base score of 7.5, rated high. EPSS estimates a 0.92% probability of exploitation.

Which products are affected by CVE-2020-36899?

Affected products include Howfor Qihang Media Web Digital Signage.

How do I fix CVE-2020-36899?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2020-36899 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.