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CVE-2020-5741

94
FAUCET Score

CVE-2020-5741 is a high-severity deserialization vulnerability in Plex Media Server on Windows, allowing a remote, authenticated attacker to execute arbitrary Python code. With a CVSS score of 7.2, it presents a critical risk due to its network-based attack vector and complete compromise potential (confidentiality, integrity, availability). This vulnerability is actively exploited in the wild, with a Metasploit module available, and has garnered significant community discussion and media coverage, including links to the LastPass breach.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.19.3CPE matchmatch criteria
cpe:2.3:a:plex:media_server:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.2HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.2
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
72.94%
Probability of exploitation in next 30 days
EPSS Percentile
99.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
Added to KEV · Mar 10, 2023
Metasploit: Plex Unpickle Dict Windows RCE · May 7, 2020
This CVE's current EPSS score of 0.7294 is in the 99th percentile among its peer group of 5,528 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.3 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (6)

boschvendor investigatingvia llm_extracted
maxkbvendor investigatingvia llm_extracted
nxpvendor investigatingvia llm_extracted
openfirevendor investigatingvia llm_extracted
openstackvendor investigatingvia llm_extracted
opnsensevendor investigatingvia llm_extracted

Vendor Advisories (6)

maxkbllm-maxkb-d2795a70088f0673MEDIUM

Plex Media Server Authenticated Python Deserialization / RCE (Windows)

May 7, 2020
openstackllm-openstack-54f7bd21990e4bdeMEDIUM

Plex Media Server Authenticated Python Deserialization / RCE (Windows)

May 7, 2020
nxpllm-nxp-598971ae60350ccfMEDIUM

Plex Media Server Authenticated Python Deserialization / RCE (Windows)

May 7, 2020
boschllm-bosch-c9732b17808e3bd9MEDIUM

Plex Media Server Authenticated Python Deserialization / RCE (Windows)

May 7, 2020
opnsensellm-opnsense-f4d5e34d9d693360MEDIUM

Plex Media Server Authenticated Python Deserialization / RCE (Windows)

May 7, 2020
openfirellm-openfire-38c06aba2e951a0eMEDIUM

Plex Media Server Authenticated Python Deserialization / RCE (Windows)

May 7, 2020

References

cisa.gov / known-exploited-vulnerabilities-catalog
US Government Resource
packetstormsecurity.com / files/158470/Plex-Unpickle-Dict-Windows-Remote-Code-Execution.html
ExploitThird Party AdvisoryVDB Entry
tenable.com / security/research/tra-2020-32
ExploitThird Party Advisory