Remote Denial-of-Service Vulnerability in ReQuest Serious Play F3 Media Server
CVE-2021-4465
Key Information:
- Vendor
Request Serious Play Llc
- Vendor
- CVE Published:
- 14 November 2025
Badges
What is CVE-2021-4465?
The ReQuest Serious Play F3 Media Server is susceptible to a remote denial-of-service vulnerability that allows unauthenticated attackers to disrupt service availability. Through a single maliciously crafted HTTP GET request, an attacker can trigger a shutdown or reboot sequence, severely impacting system operations. This vulnerability affects multiple versions of the server, highlighting the necessity for users to apply appropriate security measures to prevent unauthorized interruptions.

Human OS v1.0:
Ageing Is an Unpatched Zero-Day Vulnerability.
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Affected Version(s)
ReQuest Serious Play 7.0.2.4954
ReQuest Serious Play 6.5.2.4954
ReQuest Serious Play 6.4.2.4681
Exploit Proof of Concept (PoC)
PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.
References
CVSS V4
Timeline
- ๐ก
Public PoC available
- ๐พ
Exploit known to exist
Vulnerability published
Vulnerability Reserved
