CVE-2020-5741: Plex Media Server Remote Code Execution Vulnerability

CVE-2020-5741 · Severity: critical · CVSS 7.2 · Exploited in the wild · Published 2023-03-10

Plex Media Server on Windows contains a deserialization of untrusted data vulnerability. A remote, authenticated attacker with administrator privileges can exploit this via the Camera Upload feature to upload a malicious file and execute arbitrary Python code.

Technologies: Plex Media Server. Vendors: Plex.

Quick answers

Is CVE-2020-5741 exploited in the wild?
Yes. CVE-2020-5741 is known to be exploited in the wild, first recorded on 10 March 2023. Treat it as urgent.
How severe is CVE-2020-5741?
Critical severity, with a CVSS score of 7.2, published 10 March 2023.
Which products and versions are affected?
Plex Plex Media Server up to (excluding) 1.19.3.
Is there a fix for CVE-2020-5741?
A patch was published on 2023-03-31: Due date for remediation per CISA KEV catalog; updates available in version 1.19.3 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2020-5741 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2020-5741?
Check whether you run Plex Media Server. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Plex Plex Media Server up to (excluding) 1.19.3

Timeline

  • 2020-05-08: disclosed: NVD Published Date
  • 2023-03-10: kev added: Date added to CISA Known Exploited Vulnerabilities Catalog
  • 2023-03-31: patched: Due date for remediation per CISA KEV catalog; updates available in version 1.19.3

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