What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 7.2 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2023-03-10
• EPSS: 72.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-05-08 · updated 2026-06-17
• Weakness: CWE-502

Description

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

How to fix

Upgrade to a fixed version: Plex Media Server 1.19.3. Check the vendor advisory for mitigations.

References

• http://packetstormsecurity.com/files/158470/Plex-Unpickle-Dict-Windows-Remote-Code-Execution.html
• https://www.tenable.com/security/research/tra-2020-32
• http://packetstormsecurity.com/files/158470/Plex-Unpickle-Dict-Windows-Remote-Code-Execution.html
• https://www.tenable.com/security/research/tra-2020-32
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-5741

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