01 Record
CVE-2025-34158
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
HighPUBLISHEDCNA: mitre
CNA base score8.5 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
02 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
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 0.59% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 48.3% of scored records. A rank, not a probability.
- NVD base score
- 8.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
- NVD analysis status
- Deferred. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2025-08-21 13:43Z1 YR AGO
- Last updated
- 2026-01-02 15:56Z10 MO AGO
- Reserved
- 2025-04-15
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- High (CVSS 8.5)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
- Weaknesses
- CWE-669Incorrect Resource Transfer Between SpheresClass
- Data version
- 5.2
- Document digest
- 64432800fc7477006ca9dc643b9078ea5fcc2e172b8092de794367fe14825f63
05 Affected products
VendorProductVersionsPlatforms
06 References
- www.plex.tvhttps://www.plex.tv/media-server-downloads/
- forums.plex.tvhttps://forums.plex.tv/t/plex-media-server-security-update/928341
- www.bleepingcomputer.comhttps://www.bleepingcomputer.com/news/security/plex-warns-users-to-patch-security-vulnerability-immediately/
- www.runzero.comhttps://www.runzero.com/blog/plex/
- www.tenable.comhttps://www.tenable.com/plugins/nessus/250294
- www.vulncheck.comhttps://www.vulncheck.com/advisories/plex-media-server-unspecified
- github.comhttps://github.com/lufinkey/vulnerability-research/tree/main/CVE-2025-34158
- github.comhttps://github.com/lufinkey/vulnerability-research/blob/main/CVE-2025-34158/README.md