CVE-2021-4465
HIGH EPSS 33.3%
Published Nov 14, 20257mo ago · Modified Jun 17, 20261w ago
8.7 CVSS 4.0
Published Nov 14, 2025 7mo ago
Last Modified Jun 17, 2026 1w ago
Description
ReQuest Serious Play F3 Media Server versions 7.0.3.4968 (Pro), 7.0.2.4954, 6.5.2.4954, 6.4.2.4681, 6.3.2.4203, and 2.0.1.823 contain a remote denial-of-service vulnerability. The device can be shut down or rebooted by an unauthenticated attacker through a single crafted HTTP GET request, allowing remote interruption of service availability.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
33.3% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-400 Uncontrolled Resource Consumption Resource Mgmt
References 7
- request.com http://www.request.com/
- cxsecurity.com https://cxsecurity.com/issue/WLB-2020100122
- exchange.xforce.ibmcloud.com https://exchange.xforce.ibmcloud.com/vulnerabilities/190031
- packetstorm.news https://packetstorm.news/files/id/159602
- exploit-db.com https://www.exploit-db.com/exploits/48951
- vulncheck.com https://www.vulncheck.com/advisories/request-serious-play-f3-media-server-remote-dos
- zeroscience.mk https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5601.php
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.