CVE-2020-36899

Name: CVE-2020-36899
Creator: NVD / NIST
Published: 2025-12-10T21:16:02.513+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.7/10EPSS 0.81%

Last modified Jun 17, 2026

CVE-2020-36899 is a high-severity vulnerability rated 8.7/10 on the CVSS scale. 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.. EPSS estimates a 0.81% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

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

CVSS 4.0

8.7/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.81%

52.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-530

Affected Software

Vendor	Product	Versions
Howfor	Qihang Media Web Digital Signage	3.0.9

References

http://www.howfor.comProduct
https://www.exploit-db.com/exploits/48750Exploit, Third Party Advisory, VDB 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.phpExploit, Third Party Advisory
https://www.exploit-db.com/exploits/48750Exploit, Third Party Advisory, VDB Entry
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5581.phpExploit, Third Party Advisory

Timeline

Published: Dec 10, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2020-36899?

How severe is CVE-2020-36899?

CVE-2020-36899 has a CVSS score of 8.7/10 (HIGH severity). The EPSS model estimates a 0.81% probability of exploitation in the next 30 days.

How do I fix CVE-2020-36899?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-36899?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST