CVE-2020-36898

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.

CVSS v3.1 Score

9.1

CRITICAL

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

Weakness Type (CWE)

CWE-22 Path Traversal

Affected Products

Vendor	Product	Versions
howfor	qihang_media_web_digital_signage	All

References

Exploits

https://www.exploit-db.com/exploits/48749 https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5580.php https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5580.php

Other References

http://www.howfor.com https://www.vulncheck.com/advisories/qihang-media-web-digital-signage-unauthenticated-arbitrary-file-deletion

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. It has a CVSS v3.1 base score of 9.1 (CRITICAL).

How severe is CVE-2020-36898? +

CVE-2020-36898 has a CVSS v3.1 score of 9.1 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2020-36898? +

CVE-2020-36898 affects products from howfor, specifically: qihang_media_web_digital_signage. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2020-36898? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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