Vulnerability Report

CVE-2020-5741

RCE CISA KEV Active

Title: Plex Media Server Deserialization of Untrusted Data RCE

RCE

Proof Of Concept

PoC Available for CVE-2020-5741

CWE Category CWE-502

Published Date May 08, 2020

Modified Date Jun 17, 2026

Exploit Status Available

Score 7.2 CVSS v3.1

Exploit Probability (EPSS)

72.94%

Vulnerability Summary

CVE-2020-5741: Deserialization of Untrusted Data in Plex Media Server on Windows allows a remote, authenticated attacker to execute arbitrary Python code.

Impacted Vendors

avaya 1

firefly 1

plex 1

Reference Links

http://packetstormsecurity.com/files/158470/Plex-Unpickle-Dict-Windows-Remote-Code-Execution.html https://www.tenable.com/security/research/tra-2020-32 http://packetstormsecurity.com/files/158470/Plex-Unpickle-Dict-Windows-Remote-Code-Execution.html https://www.tenable.com/security/research/tra-2020-32 https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-5741

CVSS v3.1

Source Entity [email protected]

Severity HIGH

7.2

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1

Source Entity 134c704f-9b21-4f2e-91b3-4a467353bcc0

Severity HIGH

7.2

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

6.5

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:S/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2020-5741 Exploits & PoCs (Proof Of Concept)

GitHub https://github.com/HORKimhab/CVE-2025-34158-CVE-2020-5741

View Code

June 17, 2026 MODIFIED

Vulnerability data updated via NVD.

October 31, 2025 MODIFIED

Vulnerability data or affected products updated.

May 08, 2020 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


                                    CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.