CVE-2020-36898
CRITICALCVSS v3
9.1
CRITICAL
EPSS Score
17.8%
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
QiHang Media Web Digital Signage 3.0.9 contains an unauthenticated file deletion vulnerability in the QH.aspx endpoint that allows remote attackers to delete files without authentication. Attackers can exploit the 'data' parameter by sending a POST request with file paths to delete arbitrary files with web server permissions using directory traversal sequences.
Technical Details
- CVSS v3 Vector
- 3.1
- Published
- 12/10/2025
- Last Modified
- 12/17/2025
Frequently Asked Questions
What is CVE-2020-36898?
QiHang Media Web Digital Signage 3.0.9 contains an unauthenticated file deletion vulnerability in the QH.aspx endpoint that allows remote attackers to delete files without authentication. Attackers can exploit the 'data' parameter by sending a POST request with file paths to delete arbitrary files with web server permissions using directory traversal sequences.
Is CVE-2020-36898 actively exploited?
Active exploitation of CVE-2020-36898 has not been confirmed. The EPSS score is 17.8%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2020-36898?
CVE-2020-36898 has a CVSS v3 base score of 9.1 (CRITICAL severity), with vector string 3.1.
Is CVE-2020-36898 affecting your environment?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.