IP Spoofing Vulnerability in Jellyfin Media Server
CVE-2025-32012

4.6MEDIUM

Key Information:

Vendor

Jellyfin

Status
Jellyfin
Vendor
CVE Published:
15 April 2025

What is CVE-2025-32012?

The Jellyfin Media Server contains a vulnerability where the /System/Restart endpoint can be exploited by unauthenticated attackers. Despite being intended for administrative use, the endpoint's method of identifying the source IP address allows an attacker within the same local network to spoof their IP. This exploit enables repeated unauthorized server restarts, resulting in a denial-of-service condition. Moreover, if leveraged with remote code execution techniques, it poses significant security risks by bypassing the intended administrative controls. Users are advised to upgrade to version 10.10.7, which addresses this issue.

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Affected Version(s)

jellyfin >= 10.9.0, < 10.10.7

References

https://github.com/jellyfin/jellyfin/security/advisories/...
x_refsource_CONFIRM
https://github.com/jellyfin/jellyfin/commit/f625665cb116a...
x_refsource_MISC

CVSS V4

Score:
4.6
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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