Plex · Media Server

CVE-2020-5741

Plex Media Server Remote Code Execution Vulnerability

Exploited in attacks High 7.2 Attack chance: 73%

What it is

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

CISA: Plex Media Server contains a remote code execution vulnerability that allows an attacker with access to the server administrator's Plex account to upload a malicious file via the Camera Upload feature and have the media server execute it.

What to do

Apply updates per vendor instructions.

Deadline for US federal agencies: March 31, 2023

Added to the CISA list: March 10, 2023
Published: May 8, 2020
Severity: High 7.2 CVSS 3.1
Chance of attacks in the next 30 days (EPSS): 73% in the top 0.6% of all known vulnerabilities
Weakness: CWE-502
More details: NVD · CVE.org · CISA

All references (2)

More exploited flaws from Plex

Added	Vulnerability	Product	Severity	Attack chance
Oct 20, 2026	Server-Side Request Forgery (SSRF)CVE-2026-96652	Media Server	Medium 5.3	1.8%
Oct 20, 2026	Improper Neutralization of Encoded URI Schemes in a Web PageCVE-2026-96654	Media Server	Medium 6.9	1.9%
Oct 20, 2026	Server-Side Request Forgery (SSRF)CVE-2026-96655	Media Server	Medium 5.3	1.6%
Oct 20, 2026	External Control of File Name or PathCVE-2026-96656	Media Server	High 8.6	1.8%

All of them →

Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.