High severity · published Apr 22, 2020
CVE-2020-5740
Improper Input Validation in Plex Media Server on Windows allows a local, unauthenticated attacker to execute arbitrary Python code with SYSTEM privileges
7.8
CVSS
0.7%
EPSS
No
On KEV
Description
Improper Input Validation in Plex Media Server on Windows allows a local, unauthenticated attacker to execute arbitrary Python code with SYSTEM privileges.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 55% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MS
Media Server · Plex
before 1.19.1.2701 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-5740
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-5740
Exploit
https://www.tenable.com/security/research/tra-2020-25
More from Media Server
7.2
CVE-2026-96656
Plex Media Server arbitrary file write
7.2
CVE-2020-5741
Plex Media Server Remote Code Execution Vulnerability
6.5
CVE-2026-96654
Plex Media Server URL injection
4.3
CVE-2026-96655
Plex Media Server arbitrary-host SSRF
4.3
CVE-2026-96652
Plex Media Server SSRF