Is CVE-2020-36897 actively exploited?

No active exploitation of CVE-2020-36897 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2020-36897 be exploited remotely?

Yes. CVE-2020-36897 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2020-36897?

CVE-2020-36897 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2020-36897

CWE-434Published: December 10, 2025· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

QiHang Media Web Digital Signage 3.0.9 contains an unauthenticated remote code execution vulnerability in the QH.aspx file that allows attackers to upload malicious ASPX scripts. Attackers can exploit the file upload functionality by using the 'remotePath' and 'fileToUpload' parameters to write and execute arbitrary system commands on the server.

NVD Source

Risk Analysis

This flaw enables an unauthenticated attacker to upload and execute arbitrary ASPX scripts on the server, leading to full remote code execution. With a critical CVSS score of 9.8, this represents a complete compromise of the affected system.

No public exploit is currently known, and the vulnerability is not in the CISA KEV database. It is remotely exploitable without authentication.

Recommended Action

Upgrade to a patched version of QiHang Media Web Digital Signage. Restrict file upload functionality and validate file types to prevent the execution of malicious scripts.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2020-36897 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.