CVE-2020-5741
Deserialization of Untrusted Data in Plex Media Server on Windows allows a remote, authenticated...
CVE-2020-5741 is a high vulnerability (CVSS 7.2) in Plex Media Server, published May 8, 2020. CISA lists it as known to be exploited, since March 10, 2023. EUVD reports exploitation since March 10, 2023. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 72.9%, the 99th percentile. No source names a fixed version.
Deserialization of Untrusted Data in Plex Media Server on Windows allows a remote, authenticated attacker to execute arbitrary Python code.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Deserialization of Untrusted Data in Plex Media Server on Windows allows a remote, authenticated attacker to execute arbitrary Python code.
- Record
CVE-2020-5741- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:P - Weakness
- CWE-502
- Updated
- 2026-11-02
CVE List
Deserialization of Untrusted Data in Plex Media Server on Windows allows a remote, authenticated attacker to execute arbitrary Python code.
- Record
CVE-2020-5741- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
EUVDEUVD-2020-26900
Deserialization of Untrusted Data in Plex Media Server on Windows allows a remote, authenticated attacker to execute arbitrary Python code.
- Record
EUVD-2020-26900- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-53fh-qcq6-xwhv
Deserialization of Untrusted Data in Plex Media Server on Windows allows a remote, authenticated...
Deserialization of Untrusted Data in Plex Media Server on Windows allows a remote, authenticated attacker to execute arbitrary Python code.
- Record
GHSA-53fh-qcq6-xwhv- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
CISA KEV No score
Plex Media Server Remote Code Execution Vulnerability
Plex Media Server contains a remote code execution vulnerability that allows an attacker with access to the server administrator's Plex account to upload a malicious file via the Camera Upload feature and have the media server execute it.
- Record
CVE-2020-5741- Weakness
- CWE-502
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Metasploit | Plex Unpickle Dict Windows RCE | 2020-05-07 |
| PoC in GitHub | HORKimhab/CVE-2025-34158-CVE-2020-5741 | 2026-09-04 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | exploitation | |
| 2026-11-02 | created | CVE List, EUVD, GitHub Advisories, CISA KEV, Metasploit, NVD, PoC in GitHub |