# CVE-2020-36899

## Summary

- **CVE ID:** CVE-2020-36899
- **Severity:** HIGH
- **CVSS Score:** 8.7 (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)
- **CWE:** CWE-530
- **Published:** Dec 10, 2025
- **Last Modified:** Mar 14, 2026

## 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.

## Affected Products

- Shenzhen Xingmeng Qihang Media Co., Ltd. Guangzhou Hefeng Automation Technology Co., Ltd. — QiHang Media Web Digital Signage (3.0.9.0)

## References

- [CNA](https://www.exploit-db.com/exploits/48750)
- [CNA](http://www.howfor.com)
- [CNA](https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5581.php)
- [CNA](https://www.vulncheck.com/advisories/qihang-media-web-digital-signage-unauthenticated-arbitrary-file-disclosure)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.68%
- **EPSS Percentile:** 71.2

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._