FKIE_CVE-2025-34158

Vulnerability from fkie_nvd - Published: 2025-08-21 14:15 - Updated: 2026-06-17 09:13
Severity
8.5 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
Summary
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).
References
cve@mitre.orghttps://forums.plex.tv/t/plex-media-server-security-update/928341
cve@mitre.orghttps://github.com/lufinkey/vulnerability-research/blob/main/CVE-2025-34158/README.md
cve@mitre.orghttps://github.com/lufinkey/vulnerability-research/tree/main/CVE-2025-34158
cve@mitre.orghttps://www.bleepingcomputer.com/news/security/plex-warns-users-to-patch-security-vulnerability-immediately/
cve@mitre.orghttps://www.plex.tv/media-server-downloads/
cve@mitre.orghttps://www.runzero.com/blog/plex/
cve@mitre.orghttps://www.tenable.com/plugins/nessus/250294
cve@mitre.orghttps://www.vulncheck.com/advisories/plex-media-server-unspecified
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Media Server",
          "vendor": "Plex",
          "versions": [
            {
              "lessThan": "1.42.1",
              "status": "affected",
              "version": "1.41.7.x",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "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)."
    },
    {
      "lang": "es",
      "value": "Las versiones 1.41.7.x a 1.42.0.x de Plex Media Server (PMS) se ven afectadas por una vulnerabilidad de seguridad no especificada, reportada a trav\u00e9s del programa de recompensas por errores de Plex. Si bien no se han divulgado p\u00fablicamente los detalles t\u00e9cnicos, el proveedor reconoci\u00f3 el problema y lo resolvi\u00f3 en la versi\u00f3n 1.42.1. Esta vulnerabilidad puede suponer un riesgo para la integridad, la confidencialidad o la disponibilidad del sistema, por lo que se recomienda encarecidamente a todos los usuarios que actualicen la versi\u00f3n de inmediato."
    }
  ],
  "id": "CVE-2025-34158",
  "lastModified": "2026-06-17T09:13:34.017",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 8.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.1,
        "impactScore": 4.7,
        "source": "cve@mitre.org",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-34158",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-08-28T19:17:50.481204Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2025-08-21T14:15:39.970",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "https://forums.plex.tv/t/plex-media-server-security-update/928341"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://github.com/lufinkey/vulnerability-research/blob/main/CVE-2025-34158/README.md"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://github.com/lufinkey/vulnerability-research/tree/main/CVE-2025-34158"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://www.bleepingcomputer.com/news/security/plex-warns-users-to-patch-security-vulnerability-immediately/"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://www.plex.tv/media-server-downloads/"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://www.runzero.com/blog/plex/"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://www.tenable.com/plugins/nessus/250294"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://www.vulncheck.com/advisories/plex-media-server-unspecified"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-669"
        }
      ],
      "source": "cve@mitre.org",
      "type": "Secondary"
    }
  ]
}



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