Unauthenticated File Disclosure Vulnerability in QiHang Media Web Digital Signage by QiHang Media
CVE-2020-36899

8.7HIGH

Key Information:

Vendor

Shenzhen Xingmeng Qihang Media Co., Ltd. Guangzhou Hefeng Automation Technology Co., Ltd.

Status
Qihang Media Web Digital Signage
Vendor
CVE Published:
10 December 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2020-36899?

The QiHang Media Web Digital Signage 3.0.9 application is vulnerable to an unauthenticated file disclosure, allowing remote attackers to gain unauthorized access to sensitive files. By manipulating the 'filename' and 'path' parameters in the QH.aspx endpoint, attackers can exploit specific download and getAll actions to read arbitrary files and retrieve directory contents. This flaw poses significant security risks as it can expose confidential information without any prior authentication, making it essential for users and administrators to address this vulnerability promptly.

Affected Version(s)

QiHang Media Web Digital Signage 3.0.9.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2020-36899 - Proof of Concept

References

https://www.exploit-db.com/exploits/48750
exploit
http://www.howfor.com
product
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-55...
vendor-advisoryvdb-entry

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

LiquidWorm as Gjoko Krstic of Zero Science Lab
JSON
.
CVE-2020-36899 : Unauthenticated File Disclosure Vulnerability in QiHang Media Web Digital Signage by QiHang Media