CVE-2020-36897

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2025-12-10. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 9.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
75(Attend)
EG Risk 75/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS
63.1%
KEV
Not listed

Published

December 10, 2025

Last Modified

December 17, 2025

Advisory Details (4)

Auto-updated Jun 8, 2026
⚠️ Active exploitation confirmed. No patch confirmed yet.
generic🔴 Active Exploitation

Zero Science Lab — Information Security Research & Development Laboratory

https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5582.php
generic

QiHang Media Web Digital Signage 3.0.9 Unauthenticated Remote Code Execution | Advisories | VulnCheck

https://www.vulncheck.com/advisories/qihang-media-web-digital-signage-unauthenticated-remote-code-execution
generic🟡 PoC Available

QiHang Media Web Digital Signage 3.0.9 - Remote Code Execution (Unauthenticated) - Hardware webapps Exploit

https://www.exploit-db.com/exploits/48751
generic

信发系统厂家-和丰山海_安卓播放盒_安卓主板_工控小主机_电子门牌_会议预约系统

http://www.howfor.com

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 13× in last 7d / 39× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-23 14:15 UTCEPSS rescore
  2. 2026-07-23 14:15 UTCEPSS rescore
  3. 2026-07-23 01:53 UTCEG score recompute
  4. 2026-07-22 22:39 UTCEG score recompute
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  1. 2026-07-06 16:25 UTCEPSS rescore
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  5. 2026-07-04 06:29 UTCEPSS rescore
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  22. 2026-06-19 19:24 UTCEPSS rescore
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  24. 2026-06-18 17:50 UTCEPSS rescore
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  27. 2026-06-16 17:50 UTCEPSS rescore
  28. 2026-06-15 17:46 UTCEPSS rescore
  29. 2026-06-14 23:15 UTCEPSS rescore
  30. 2026-06-13 22:58 UTCEPSS rescore
  31. 2026-06-12 23:10 UTCEPSS rescore
  32. 2026-06-11 13:58 UTCEPSS rescore
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  35. 2026-06-08 14:15 UTCEPSS rescore
  36. 2026-06-06 13:46 UTCEPSS rescore
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  42. 2026-06-04 13:10 UTCEPSS rescore
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  44. 2026-06-02 20:11 UTCEPSS rescore
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  46. 2026-05-31 22:29 UTCEPSS rescore
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  48. 2026-05-31 00:15 UTCEPSS rescore
  49. 2026-05-31 00:15 UTCEPSS rescore
  50. 2026-05-29 17:52 UTCEG score recompute
  51. 2026-05-29 17:52 UTCGHSA enrichment
  52. 2026-05-29 13:42 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2020-36897?
CVE-2020-36897 is a critical vulnerability published on December 10, 2025. 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…
When was CVE-2020-36897 disclosed?
CVE-2020-36897 was first published in the National Vulnerability Database on December 10, 2025, with the most recent update on December 17, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2020-36897 actively exploited?
CVE-2020-36897 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 63.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2020-36897?
CVE-2020-36897 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2020-36897?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-36897, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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