QiHang Media Web Digital Signage 3.0.9 Unauthenticated Arbitrary File Disclosure

published 2025-12-10 10 mo ago modified 2026-06-17 4 mo ago also EUVD-2020-30833

cvss: 7.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.9%; EPSS 0.9% chance of exploitation in 30 days, percentile 60%
public exploits: 0; none known

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.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: yes
Technical impact: partial
Assessed: 10 mo ago (2025-12-11)

Exploit prediction

0.92% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

exploit-db.com https://www.exploit-db.com/exploits/48750 referenced PoC, tagged "exploit" by a source, unverified
zeroscience.mk https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5581.php referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	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
CNA	4.0	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/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
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

Shenzhen Xingmeng Qihang Media Co., Ltd. Guangzhou Hefeng Automation Technology Co., Ltd. QiHang Media Web Digital Signage

Classification

Weakness

CWE-530 Exposure of Backup File to an Unauthorized Control Sphere

References

exploit-db.com /exploits/48750
exploit, third-party-advisory, vdb-entry
zeroscience.mk /en/vulnerabilities/ZSL-2020-5581.php
vendor-advisory, vdb-entry, exploit, third-party-advisory
howfor.com
product
vulncheck.com /advisories/qihang-media-web-digital-signage-unauthenticated-arbitrary-file-disclosure
third-party-advisory

Sources

CVE List CVE-2020-36899
NVD CVE-2020-36899

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary