Deserialization of Untrusted Data in Plex Media Server - CVE-2020-5741

 

Deserialization of Untrusted Data in Plex Media Server - CVE-2020-5741

Published: March 7, 2023 / Updated: March 10, 2023


Vulnerability identifier: #VU72903
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Green
CVE-ID: CVE-2020-5741
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability: The vulnerability is being exploited in the wild
Vendor: Plex
Affected software:
Plex Media Server

Detailed vulnerability description

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to insecure input validation when processing serialized data. A remote privileged user can send specially crafted HTTP request to the application and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2020-5741

Install updates from vendor's website.

Sources