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TI-2020-04668 Aliases CVE-2020-5740GHSA-qmvf-m2cm-gm9v

Uncontrolled search path in Plex Media Server

Priority LOW 35CWE-427Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-427.

Summary

Improper Input Validation in Plex Media Server on Windows allows a local, unauthenticated attacker to execute arbitrary Python code with SYSTEM privileges.

Why it matters now

EPSS 0.00747 55th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Plex Media Server (Windows): 1.19.2.2673-776106bc6

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—Plex Media Server (Windows)before 1.19.2.2673-776106bc61.19.2.2673-776106bc6Patch availableCNA
  • Plex Media Server (Windows) Vendor— Affected before 1.19.2.2673-776106bc6 Fixed in 1.19.2.2673-776106bc6 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:plex:media_server:*:*:*:*:*:*:*:*before 1.19.1.2701VulnerablePlex
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
  • cpe:2.3:a:plex:media_server:*:*:*:*:*:*:*:* Versions before 1.19.1.2701 Vulnerable ·Plex
  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

  • Fix · CNA Plex Media Server (Windows) Fixed in 1.19.2.2673-776106bc6

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-5740
  2. 2026-10-03 Alias added: GHSA-qmvf-m2cm-gm9v

References

Exploit 1

  • TI-2026-63829 Arbitrary file write in Plex Media Server enables code execution KEVCVSS 4.0HIGH 8.6
  • TI-2020-04669 Deserialization of untrusted data in Plex Media Server KEVCVSS 3.1HIGH 7.2
  • TI-2026-63827 Plex Media Server URL injection lets attackers call other plugins KEVCVSS 4.0MEDIUM 6.9
  • TI-2026-63828 Server-side request forgery in Plex Media Server KEVCVSS 4.0MEDIUM 5.3
  • TI-2026-63826 Server-side request forgery in Plex Media Server KEVCVSS 4.0MEDIUM 5.3
  • TI-2025-42857 Incorrect authorization in Plex Media Server CVSS 3.1HIGH 8.5
See all 18 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences