CVE-2020-36898

8.8 highEPSS 1.7%

High (8.8) in howfor qihang media web digital signage. EPSS 1.7% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

8.8 high

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

CVSS 3.1

9.1 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

EPSS: 1.7% chance of exploitation in the next 30 days; higher than 77% of CVEs (scores of 2026-10-31)
CWE: CWE-22
Published: 2025-12-10
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

howfor:qihang_media_web_digital_signage

References

http://www.howfor.com
https://www.exploit-db.com/exploits/48749
https://www.vulncheck.com/advisories/qihang-media-web-digital-signage-unauthenticated-arbitrary-file-deletion
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5580.php
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5580.php

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