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: 8.6 [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]
CVE-ID: CVE-2020-5741
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerability details
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.
Affected software
Plex Media Server
How to mitigate CVE-2020-5741
Install updates from vendor's website.
Plex Media Server - update to 1.19.3