THREATPORT/VULNERABILITY/CVE-2014-9304
HIGH SEVERITY

CVE-2014-9304

Media Server vulnerability

CVSS
7.5
EPSS
8.1%
EPSS pct
94th
Exploited
No known
Plex Media Server before 0.9.9.3 allows remote attackers to bypass the web server whitelist, conduct SSRF attacks, and execute arbitrary administrative actions via multiple crafted X-Plex-Url headers to system/proxy, which are inconsistently processed by the request handler in the backend web server.
Affected vendor
Plex
Affected product
Media Server
CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness type (CWE)
  • CWE-264 — Permissions, Privileges, and Access Controls
Published
2014-12-07

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to confidentiality, partial impact to integrity, partial impact to availability.

Its EPSS score of 8.1% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 94% of all scored CVEs.

Check your external exposure to CVE-2014-9304

  • Confirm whether Plex Media Server is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2014-9304.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2014-9304

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2014-9304 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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