CVE-2020-5741
Plex Media Server Remote Code Execution Vulnerability
- High 7.2
- Exploited: added to CISA KEV 10 Mar 2023
Description
Deserialization of Untrusted Data in Plex Media Server on Windows allows a remote, authenticated attacker to execute arbitrary Python code.
Key facts
- Published
- 8 May 2020
- Last changed
- 21 Oct 2025
- Assigned by
- tenable
- KEV added
- 10 Mar 2023
- KEV fix due
- 31 Mar 2023
- EPSS
- 72.936% likely to be exploited in the next 30 days, higher than 99.46% of CVEs (scores for 15 Nov 2026)
- SSVC (CISA)
- Exploitation: active; Automatable: no; Technical impact: total
Severity scores
Each score is shown as its source gave it. They are not averaged or merged.
- 7.2CVSS 3.1, Highfrom CISA (ADP container)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
What to do
- Apply updates per vendor instructions.CISA KEV required action
Historical context and remediation
This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.
No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.
Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.
Affected products
| Vendor | Product | Versions |
|---|---|---|
| n/a | Plex Media Server (Windows) |
|
Timeline
- 8 May 2020 Published
- 10 Mar 2023 CVE-2020-5741 added to CISA KEV
- 10 Mar 2023 Added to the CISA KEV catalogue