CVE-2021-4465

ReQuest Serious Play F3 Media Server <= 7.0.3 Remote DoS

State: Published
Severity: 8.7 High
Published: Nov 14, 2025
Updated: Apr 7, 2026
Reserved: Nov 14, 2025

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.

Scores

CVSS	Score	Vector	Source
4.0	8.7 High	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	VulnCheck

Weaknesses

CWE-400 Uncontrolled Resource Consumption

Affected Products

Product	Versions
ReQuest Serious Play ProReQuest Serious Play LLC	7.0.3.4968Affected
ReQuest Serious PlayReQuest Serious Play LLC	7.0.2.4954Affected 6.5.2.4954Affected 6.4.2.4681Affected 6.3.2.4203Affected 2.0.1.823Affected

References

https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5601.phptechnical-descriptionexploit
https://www.exploit-db.com/exploits/48951exploit
https://packetstorm.news/files/id/159602exploit
https://cxsecurity.com/issue/WLB-2020100122exploit
https://exchange.xforce.ibmcloud.com/vulnerabilities/190031vdb-entry
http://www.request.com/product
https://www.vulncheck.com/advisories/request-serious-play-f3-media-server-remote-dosthird-party-advisory

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