CVE-2021-4465 - CVE House
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Status published High CVE-2021-4465

ReQuest Serious Play F3 Media Server <= 7.0.3 Remote DoS

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Gjoko Krstic of Zero Science Lab

References

More from ReQuest Serious Play LLC

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CVE-2020-36878
ReQuest Serious Play F3 Media Player <= 3.0.0 Directory Traversal File Disclosure
High 8.7
CVE-2020-36877
ReQuest Serious Play F3 Media Server <= 7.0.3 code execution
Critical 9.3
CVE-2020-36876
ReQuest Serious Play F3 Media Server <= 7.0.3 Debug Log Disclosure2020
High 8.7

Affected Vendor

ReQuest Serious Play LLC

View all reports →

Affected Software

ReQuest Serious Play Pro, ReQuest Serious Play
Vulnerable Versions:
7.0.3.4968, 7.0.2.4954, 6.5.2.4954, 6.4.2.4681, 6.3.2.4203, 2.0.1.823

Timeline

Official Publish: November 14th, 2025
Last Modified: April 7th, 2026
Added to House: July 21st, 2026

CVSS Vectors

Weaknesses (CWE)

CWE-400

MITRE ATT&CK TTPs

T1499 Endpoint Denial of Service
Impact
T1498 Network Denial of Service
Impact