CVE-2025-34158

Published Aug 21, 2025 CVSS 3.1 · 8.5 High EPSS < 1% KEV · Not listed
Description
Plex Media Server (PMS) 1.41.7.x through 1.42.0.x before 1.42.1 is affected by incorrect resource transfer between spheres because /myplex/account provides the credentials of the server owner (and a /api/resources call reveals other servers accessible by that server owner).

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-25425 Plex Media Server (PMS) 1.41.7.x through 1.42.0.x before 1.42.1 is affected by incorrect resource transfer between spheres.
History
Type Values Removed Values Added
Description Plex Media Server (PMS) 1.41.7.x through 1.42.0.x before 1.42.1 is affected by incorrect resource transfer between spheres. Plex Media Server (PMS) 1.41.7.x through 1.42.0.x before 1.42.1 is affected by incorrect resource transfer between spheres because /myplex/account provides the credentials of the server owner (and a /api/resources call reveals other servers accessible by that server owner).
First Time appeared Plex media Server
CPEs cpe:2.3:a:plex:media_server:*:*:*:*:*:*:*:*
Vendors & Products Plex media Server
References
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N'}

cvssV3_1

{'score': 8.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N'}

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N'}

cvssV3_1

{'score': 6.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N'}

Type Values Removed Values Added
Weaknesses CWE-20
Metrics cvssV4_0

{'score': 10.0, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X'}

Type Values Removed Values Added
Title Plex Media Server (PMS) 1.41.7.x - 1.42.0.x Unspecified Vulnerabiliity
Type Values Removed Values Added
Weaknesses CWE-669
Metrics cvssV4_0

{'score': 10, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H'}

cvssV3_1

{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 10.0, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X'}

Type Values Removed Values Added
Description Plex Media Server (PMS) versions 1.41.7.x through 1.42.0.x are affected by an unspecified security vulnerability reported via Plex’s bug bounty program. While technical details have not been publicly disclosed, the issue was acknowledged by the vendor and resolved in version 1.42.1. The vulnerability may pose a risk to system integrity, confidentiality, or availability, prompting a strong recommendation for all users to upgrade immediately. Plex Media Server (PMS) 1.41.7.x through 1.42.0.x before 1.42.1 is affected by incorrect resource transfer between spheres.
References
Type Values Removed Values Added
First Time appeared Plex
Plex plex Media Server
Vendors & Products Plex
Plex plex Media Server
Type Values Removed Values Added
Description Plex Media Server (PMS) versions 1.41.7.x through 1.42.0.x are affected by an unspecified security vulnerability reported via Plex’s bug bounty program. While technical details have not been publicly disclosed, the issue was acknowledged by the vendor and resolved in version 1.42.1. The vulnerability may have posed a risk to system integrity, confidentiality, or availability, prompting a strong recommendation for all users to upgrade immediately. Plex Media Server (PMS) versions 1.41.7.x through 1.42.0.x are affected by an unspecified security vulnerability reported via Plex’s bug bounty program. While technical details have not been publicly disclosed, the issue was acknowledged by the vendor and resolved in version 1.42.1. The vulnerability may pose a risk to system integrity, confidentiality, or availability, prompting a strong recommendation for all users to upgrade immediately.
References
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Plex Media Server (PMS) versions 1.41.7.x through 1.42.0.x are affected by an unspecified security vulnerability reported via Plex’s bug bounty program. While technical details have not been publicly disclosed, the issue was acknowledged by the vendor and resolved in version 1.42.1. The vulnerability may have posed a risk to system integrity, confidentiality, or availability, prompting a strong recommendation for all users to upgrade immediately.
Title Plex Media Server (PMS) 1.41.7.x - 1.42.0.x Unspecified Vulnerabiliity
Weaknesses CWE-20
References
Metrics cvssV4_0

{'score': 10, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Jan 2, 2026, 3:56 PM
Reserved
Apr 15, 2025, 7:15 PM
Status
Deferred
Published
Aug 21, 2025, 2:15 PM
Modified
Jun 17, 2026, 9:13 AM