CVE-2020-5741

HIGHNVD 7.29.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2023-03-10), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 7.2 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 4 sources updated this weekExploited in the wild
7.2
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 73%CVSS: 7.2Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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)
EG Risk
81(Attend)
EG Risk 81/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity90% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS
99.4%
KEV
⚠ Exploited

Published

May 8, 2020

Last Modified

October 31, 2025

Advisory Details (3)

Auto-updated Jun 11, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-5741
generic🟡 PoC Available

Plex Media Server Authenticated Python Deserialization / RCE (Windows) - Research Advisory | Tenable®

https://www.tenable.com/security/research/tra-2020-32
generic

Packet Storm

http://packetstormsecurity.com/files/158470/Plex-Unpickle-Dict-Windows-Remote-Code-Execution.html

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 51× in last 7d / 219× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 406 total refreshes for this CVE.

  1. 2026-07-23 14:15 UTCEPSS rescore
  2. 2026-07-23 01:54 UTCEG score recompute
  3. 2026-07-22 22:40 UTCEG score recompute
  4. 2026-07-22 21:15 UTCGHSA enrichment
  5. 2026-07-22 19:40 UTCCISA KEV update
  6. 2026-07-22 17:04 UTCEG score recompute
  7. 2026-07-22 17:04 UTCGHSA enrichment
  8. 2026-07-22 14:05 UTCEPSS rescore
  9. 2026-07-22 12:51 UTCGHSA enrichment
  10. 2026-07-22 08:41 UTCGHSA enrichment
  11. 2026-07-22 04:29 UTCGHSA enrichment
  12. 2026-07-22 00:18 UTCGHSA enrichment
  13. 2026-07-21 17:42 UTCGHSA enrichment
  14. 2026-07-21 14:37 UTCCISA KEV update
  15. 2026-07-21 13:31 UTCGHSA enrichment
  16. 2026-07-21 09:19 UTCGHSA enrichment
  17. 2026-07-21 05:08 UTCGHSA enrichment
  18. 2026-07-21 00:57 UTCGHSA enrichment
  19. 2026-07-20 20:46 UTCEG score recompute
  20. 2026-07-20 20:46 UTCGHSA enrichment
  21. 2026-07-20 17:04 UTCEPSS rescore
  22. 2026-07-20 17:04 UTCEPSS rescore
  23. 2026-07-20 16:35 UTCGHSA enrichment
  24. 2026-07-20 12:22 UTCGHSA enrichment
  25. 2026-07-20 08:11 UTCGHSA enrichment
Show 75 more
  1. 2026-07-20 03:59 UTCGHSA enrichment
  2. 2026-07-19 23:48 UTCGHSA enrichment
  3. 2026-07-19 19:37 UTCGHSA enrichment
  4. 2026-07-19 15:26 UTCEG score recompute
  5. 2026-07-19 15:26 UTCGHSA enrichment
  6. 2026-07-19 14:28 UTCEPSS rescore
  7. 2026-07-19 14:28 UTCEPSS rescore
  8. 2026-07-19 11:15 UTCGHSA enrichment
  9. 2026-07-19 07:04 UTCGHSA enrichment
  10. 2026-07-19 02:53 UTCEG score recompute
  11. 2026-07-19 02:53 UTCGHSA enrichment
  12. 2026-07-19 02:26 UTCEPSS rescore
  13. 2026-07-19 02:26 UTCEPSS rescore
  14. 2026-07-18 22:42 UTCGHSA enrichment
  15. 2026-07-18 18:31 UTCGHSA enrichment
  16. 2026-07-18 14:20 UTCGHSA enrichment
  17. 2026-07-18 10:09 UTCGHSA enrichment
  18. 2026-07-18 05:58 UTCGHSA enrichment
  19. 2026-07-18 01:47 UTCGHSA enrichment
  20. 2026-07-17 21:36 UTCGHSA enrichment
  21. 2026-07-17 17:25 UTCGHSA enrichment
  22. 2026-07-17 13:14 UTCGHSA enrichment
  23. 2026-07-17 09:03 UTCEG score recompute
  24. 2026-07-17 09:03 UTCGHSA enrichment
  25. 2026-07-17 04:51 UTCGHSA enrichment
  26. 2026-07-17 00:39 UTCGHSA enrichment
  27. 2026-07-16 20:29 UTCGHSA enrichment
  28. 2026-07-16 17:04 UTCCISA KEV update
  29. 2026-07-16 16:18 UTCGHSA enrichment
  30. 2026-07-16 12:08 UTCGHSA enrichment
  31. 2026-07-16 07:57 UTCGHSA enrichment
  32. 2026-07-16 03:46 UTCGHSA enrichment
  33. 2026-07-15 23:35 UTCGHSA enrichment
  34. 2026-07-15 19:25 UTCGHSA enrichment
  35. 2026-07-15 16:55 UTCEPSS rescore
  36. 2026-07-15 16:55 UTCEPSS rescore
  37. 2026-07-15 16:49 UTCCISA KEV update
  38. 2026-07-15 15:14 UTCGHSA enrichment
  39. 2026-07-15 15:04 UTCCISA KEV update
  40. 2026-07-15 11:02 UTCGHSA enrichment
  41. 2026-07-15 06:50 UTCGHSA enrichment
  42. 2026-07-15 02:38 UTCGHSA enrichment
  43. 2026-07-15 01:57 UTCEPSS rescore
  44. 2026-07-14 22:26 UTCGHSA enrichment
  45. 2026-07-14 18:14 UTCGHSA enrichment
  46. 2026-07-14 18:05 UTCCISA KEV update
  47. 2026-07-14 14:04 UTCGHSA enrichment
  48. 2026-07-14 09:53 UTCGHSA enrichment
  49. 2026-07-14 05:42 UTCGHSA enrichment
  50. 2026-07-14 01:31 UTCGHSA enrichment
  51. 2026-07-13 21:20 UTCGHSA enrichment
  52. 2026-07-13 17:08 UTCGHSA enrichment
  53. 2026-07-13 17:07 UTCCISA KEV update
  54. 2026-07-13 12:57 UTCGHSA enrichment
  55. 2026-07-13 08:45 UTCGHSA enrichment
  56. 2026-07-13 06:10 UTCEPSS rescore
  57. 2026-07-13 06:10 UTCEPSS rescore
  58. 2026-07-13 04:33 UTCGHSA enrichment
  59. 2026-07-13 00:22 UTCGHSA enrichment
  60. 2026-07-12 20:11 UTCGHSA enrichment
  61. 2026-07-12 16:00 UTCGHSA enrichment
  62. 2026-07-12 11:49 UTCGHSA enrichment
  63. 2026-07-12 07:38 UTCGHSA enrichment
  64. 2026-07-12 05:44 UTCEPSS rescore
  65. 2026-07-12 05:44 UTCEPSS rescore
  66. 2026-07-12 03:27 UTCGHSA enrichment
  67. 2026-07-11 23:16 UTCGHSA enrichment
  68. 2026-07-11 19:05 UTCGHSA enrichment
  69. 2026-07-11 14:54 UTCGHSA enrichment
  70. 2026-07-11 10:43 UTCGHSA enrichment
  71. 2026-07-11 08:25 UTCEPSS rescore
  72. 2026-07-11 08:25 UTCEPSS rescore
  73. 2026-07-11 06:32 UTCGHSA enrichment
  74. 2026-07-11 02:21 UTCGHSA enrichment
  75. 2026-07-10 22:09 UTCGHSA enrichment

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 ↗

Related CVEs(same CWE)

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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