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CVE-2020-36898

29
FAUCET Score

CVE-2020-36898 is an unauthenticated file deletion vulnerability affecting QiHang Media Web Digital Signage 3.0.9. This critical flaw (CVSS 9.1) allows remote attackers to delete arbitrary files on the web server by sending a POST request to the QH.aspx endpoint with specially crafted file paths using directory traversal. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered some community discussion, indicating awareness. The high FAUCET Risk Score of 97/100 underscores the significant potential impact of this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
3.0.9CPE matchmatch criteria
cpe:2.3:a:howfor:qihang_media_web_digital_signage:3.0.9:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

8.8HIGH

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:L/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

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
VS Confidentiality
NONE
VS Integrity
HIGH
VS Availability
LOW
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
1.58%
Probability of exploitation in next 30 days
EPSS Percentile
72.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0158 is in the 60th percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

exploit-db.com / exploits/48749
ExploitThird Party AdvisoryVDB Entry
vulncheck.com / advisories/qihang-media-web-digital-signage-unauthenticated-arbitrary-file-deletion
Third Party Advisory
zeroscience.mk / en/vulnerabilities/ZSL-2020-5580.php
ExploitThird Party Advisory
howfor.com
Product