UDP: Plex Media Server Amplification Attack

This signature detects attempts to exploit a known vulnerability against Plex. A successful attack can lead to sensitive information disclosure.

Extended Description

Plex media server 1.21 and before is vulnerable to ddos reflection attack via plex service.

Affected Products

Plex media_server

References

CVE: CVE-2021-33959

Short Name
UDP:PLEX-MED-SR-AMP
Severity
Info
Recommended
False
Recommended Action
None
Category
UDP
Keywords
Amplification Attack CVE-2021-33959 Media Plex Server
Release Date
03/26/2025
Supported Platforms

srx-branch-12.3

srx-19.3

srx-branch-19.3

vsrx3bsd-19.2

srx-branch-19.4

vsrx-19.4

mx-12.3

mx-19.4

vmx-19.4

mx-19.3

vsrx3bsd-19.4

srx-19.4

vsrx-12.3

vmx-19.3

vsrx-19.2

srx-12.3

Sigpack Version
3800
Port
UDP/32410,32414
False Positive
Occasionally
Vendors

Plex

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