CVE-2020-5741

HIGHNVD 7.29.0▲Trending — 4 sources updated this weekExploited in the wild

7.2

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

CVSS v3: 7.2
EG Score: 9.0(high)
EPSS: 97.2%
KEV: ⚠ Exploited

Published

May 8, 2020

Last Modified

October 31, 2025

References (5)

vulnreport@tenablehttp://packetstormsecurity.com/files/158470/Plex-Unpickle-Dict-Windows-Remote-Code-Execution.html
vulnreport@tenablehttps://www.tenable.com/security/research/tra-2020-32
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/158470/Plex-Unpickle-Dict-Windows-Remote-Code-Execution.html
af854a3a-2127-422b-91ae-364da2661108https://www.tenable.com/security/research/tra-2020-32
134c704f-9b21-4f2e-91b3-4a467353bcc0https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-5741

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-502Deserialization of Untrusted Data

Data Freshness Timeline

(refreshed 20× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-04 03:30 UTCEG score recompute
2026-06-04 03:30 UTCGHSA enrichment
2026-06-03 23:19 UTCEG score recompute
2026-06-03 23:19 UTCGHSA enrichment
2026-06-03 19:09 UTCkev_newly_listed
2026-06-03 19:08 UTCEG score recompute
2026-06-03 19:08 UTCGHSA enrichment
2026-06-03 14:57 UTCEG score recompute
2026-06-03 14:57 UTCGHSA enrichment
2026-06-03 10:46 UTCEG score recompute
2026-06-03 10:46 UTCGHSA enrichment
2026-06-03 06:35 UTCEG score recompute
2026-06-03 06:35 UTCGHSA enrichment
2026-06-03 02:24 UTCEG score recompute
2026-06-03 02:24 UTCGHSA enrichment
2026-06-02 22:13 UTCEG score recompute
2026-06-02 22:13 UTCGHSA enrichment
2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-02 18:32 UTCkev_newly_listed

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Metasploit module). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Metasploitexploit/windows/http/plex_unpickle_dict_rce✓ verified
First seen May 7, 2020
Plex Unpickle Dict Windows RCE
Open source ↗

Frequently asked(6)

What is CVE-2020-5741?

CVE-2020-5741 is a high vulnerability published on May 8, 2020. Deserialization of Untrusted Data in Plex Media Server on Windows allows a remote, authenticated attacker to execute arbitrary Python code.

When was CVE-2020-5741 disclosed?

CVE-2020-5741 was first published in the National Vulnerability Database on May 8, 2020, with the most recent update on October 31, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2020-5741 actively exploited?

Yes. CISA added CVE-2020-5741 to the Known Exploited Vulnerabilities catalog on March 10, 2023, affecting Plex Media Server. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.

What is the CVSS score of CVE-2020-5741?

CVE-2020-5741 has a CVSS v3 base score of 7.2 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.

Which products are affected by CVE-2020-5741?

CVE-2020-5741 affects Plex Media Server. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.

How do I remediate CVE-2020-5741?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-5741, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2020-5741

📅 Published

🔄 Last Modified

🔗 References (5)

Weakness Classification(1)

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(6)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-5741?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (5)

Frequently asked(6)

Related CVEs(same CWE)