CVE-2020-36883

HIGHNVD 8.18.1—
EchelonGraph scoreMEDIUM confidence

Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2025-12-10. NVD baseline CVSS 8.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
8.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 8.1Exploit: Elevated riskExposed: 0

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

SpinetiX Fusion Digital Signage 3.4.8 and lower contains an authenticated path traversal vulnerability that allows attackers to manipulate file backup and deletion operations through unverified input parameters. Attackers can exploit path traversal techniques in index.php to write backup files to arbitrary locations and delete files by manipulating backup and file delete requests.

CVSS v3
8.1
EG Score
8.1(medium)
EG Risk
67(Attend)
EG Risk 67/100SSVC: 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
Severity81% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
1%
EPSS %ILE
58%
KEV
Not listed

Published

December 10, 2025

Last Modified

January 21, 2026

Advisory Details (5)

Auto-updated Aug 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-2020-5594.php
generic

SpinetiX Fusion Digital Signage 3.4.8 Authenticated Path Traversal via File Operations | Advisories | VulnCheck

https://www.vulncheck.com/advisories/spinetix-fusion-digital-signage-authenticated-path-traversal-via-file-operations
generic

SpinetiX | Innovative Digital Display & Signage Solutions

https://www.spinetix.com
generic🟡 PoC Available

BrightSign Digital Signage Diagnostic Web Server 8.2.26 - File Delete Path Traversal - Hardware webapps Exploit

https://www.exploit-db.com/exploits/48844
generic

GitHub - Mbed-TLS/mbedtls: An open source, portable, easy to use, readable and flexible TLS library, and reference implementation of the PSA Cryptography API. Releases are on a varying cadence, typically around 3 - 6 months between releases. · GitHub

https://github.com/Mbed-TLS/mbedtls

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 6× in last 7d / 23× 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.

Showing the most recent 100 of 134 total refreshes for this CVE.

  1. 2026-09-21 20:28 UTCEPSS rescore
  2. 2026-09-20 20:11 UTCEPSS rescore
  3. 2026-09-19 15:37 UTCEPSS rescore
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  1. 2026-08-19 17:00 UTCEPSS rescore
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  9. 2026-08-10 00:35 UTCEG score recompute
  10. 2026-08-10 00:35 UTCGHSA enrichment
  11. 2026-08-09 13:43 UTCEPSS rescore
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  13. 2026-08-08 07:19 UTCEG score recompute
  14. 2026-08-08 07:19 UTCGHSA enrichment
  15. 2026-08-07 16:23 UTCEPSS rescore
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  29. 2026-07-23 01:53 UTCEG score recompute
  30. 2026-07-22 22:39 UTCEG score recompute
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  74. 2026-06-21 14:54 UTCEPSS rescore
  75. 2026-06-21 14:54 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2020-36883?
CVE-2020-36883 is a high vulnerability published on December 10, 2025. SpinetiX Fusion Digital Signage 3.4.8 and lower contains an authenticated path traversal vulnerability that allows attackers to manipulate file backup and deletion operations through unverified input parameters. Attackers can exploit path traversal techniques in index.php to write backup files to…
When was CVE-2020-36883 disclosed?
CVE-2020-36883 was first published in the National Vulnerability Database on December 10, 2025, with the most recent update on January 21, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2020-36883 actively exploited?
CVE-2020-36883 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 42.4% of all scored CVEs.
What is the CVSS score of CVE-2020-36883?
CVE-2020-36883 has a CVSS v3 base score of 8.1 (NVD).
How do I remediate CVE-2020-36883?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-36883, 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.

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