November 13, 2026 Follow Egret
CVE-2020-5741 · CVE record: PUBLISHED

Plex Media Server Remote Code Execution Vulnerability

n/a Plex Media Server (Windows)

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

Exploitation evidence

Known exploited · CISA KEV listed

Added 2023-03-10. Ransomware campaign use: Unknown.

CISA required action: Apply updates per vendor instructions.

CISA due date: 2023-03-31. This is the catalog’s deadline, not an assessment of your organization’s exposure.

KEV checked 13 Nov 2026, 00:20 Jerusalem · Original catalog ↗

Reported products and versions

n/a / Plex Media Server (Windows)

Default status: Not specified

  • affected: Versions prior to 1.19.3

Fixes and workarounds

No explicit solution text in the downloaded CVE record. Consult the vendor advisory; unaffected version ranges are shown above as reported, not inferred as a patch recommendation.

Sources and related reporting

CVE Program record ↗ · Download tracked evidence as JSON

Observed change timeline

History begins when Egret first downloads each source. It is not the complete upstream CVE history.

12 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-12",
  "epss": 0.72936,
  "percentile": 0.99459
}
10 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-10",
  "epss": 0.72936,
  "percentile": 0.99456
}
09 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-09",
  "epss": 0.72936,
  "percentile": 0.99456
}
08 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-08",
  "epss": 0.72936,
  "percentile": 0.99456
}
07 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-07",
  "epss": 0.72936,
  "percentile": 0.99456
}
06 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-06",
  "epss": 0.72936,
  "percentile": 0.99455
}
06 Nov 2026, 00:20 Jerusalem · CVE Program record changed

Stored CNA snapshot at this observation.

{
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05 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-05",
  "epss": 0.72936,
  "percentile": 0.99455
}
04 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-04",
  "epss": 0.72936,
  "percentile": 0.99454
}
03 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-03",
  "epss": 0.72936,
  "percentile": 0.99453
}
03 Nov 2026, 02:22 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-02",
  "epss": 0.72936,
  "percentile": 0.99452
}
03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed

Stored KEV snapshot at this observation.

{
  "cveID": "CVE-2020-5741",
  "cwes": [
    "CWE-502"
  ],
  "dateAdded": "2023-03-10",
  "dueDate": "2023-03-31",
  "forensicTriage": "No",
  "knownRansomwareCampaignUse": "Unknown",
  "notes": "https://forums.plex.tv/t/security-regarding-cve-2020-5741/586819; https://nvd.nist.gov/vuln/detail/CVE-2020-5741",
  "product": "Media Server",
  "requiredAction": "Apply updates per vendor instructions.",
  "shortDescription": "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.",
  "vendorProject": "Plex",
  "vulnerabilityName": "Plex Media Server Remote Code Execution Vulnerability"
}
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