CVE-2020-5741: Plex Media Server Remote Code Execution Vulnerability

High severity, CVSS 7.2. Actively exploited: in CISA KEV since 2023-03-10. EPSS: 72.9% chance of exploitation in the next 30 days.

Deserialization of Untrusted Data in Plex Media Server on Windows allows a remote, authenticated attacker to execute arbitrary Python code.

Affected products

• Plex Media Server: before 1.19.3 (fixed in 1.19.3)

Published 2020-05-08. Last modified 2026-06-17.