{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2021-4465", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2025-11-14T18:47:13.964Z", "datePublished": "2025-11-14T22:51:28.004Z", "dateUpdated": "2026-04-07T14:05:26.396Z" }, "containers": { "cna": { "affected": [ { "defaultStatus": "unknown", "product": "ReQuest Serious Play Pro", "vendor": "ReQuest Serious Play LLC", "versions": [ { "status": "affected", "version": "7.0.3.4968" } ] }, { "defaultStatus": "unknown", "product": "ReQuest Serious Play", "vendor": "ReQuest Serious Play LLC", "versions": [ { "status": "affected", "version": "7.0.2.4954" }, { "status": "affected", "version": "6.5.2.4954" }, { "status": "affected", "version": "6.4.2.4681" }, { "status": "affected", "version": "6.3.2.4203" }, { "status": "affected", "version": "2.0.1.823" } ] } ], "cpeApplicability": [ { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:a:request:serious_play_pro:7.0.3.4968:*:*:*:*:*:*:*", "vulnerable": true } ], "negate": false, "operator": "OR" }, { "cpeMatch": [ { "criteria": "cpe:2.3:a:request:serious_play_pro:7.0.2.4954:*:*:*:*:*:*:*", "vulnerable": true }, { "criteria": "cpe:2.3:a:request:serious_play_pro:6.5.2.4954:*:*:*:*:*:*:*", "vulnerable": true }, { "criteria": "cpe:2.3:a:request:serious_play_pro:6.4.2.4681:*:*:*:*:*:*:*", "vulnerable": true }, { "criteria": "cpe:2.3:a:request:serious_play_pro:6.3.2.4203:*:*:*:*:*:*:*", "vulnerable": true }, { "criteria": "cpe:2.3:a:request:serious_play_pro:2.0.1.823:*:*:*:*:*:*:*", "vulnerable": true } ], "negate": false, "operator": "OR" } ], "operator": "OR" } ], "credits": [ { "lang": "en", "type": "finder", "value": "Gjoko Krstic of Zero Science Lab" } ], "descriptions": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "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." } ], "value": "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." } ], "impacts": [ { "capecId": "CAPEC-227", "descriptions": [ { "lang": "en", "value": "CAPEC-227 Sustained Client Engagement" } ] } ], "metrics": [ { "cvssV4_0": { "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "baseScore": 8.7, "baseSeverity": "HIGH", "exploitMaturity": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "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", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED" }, "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ] } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-400", "description": "CWE-400 Uncontrolled Resource Consumption", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-04-07T14:05:26.396Z" }, "references": [ { "tags": [ "technical-description", "exploit" ], "url": "https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5601.php" }, { "tags": [ "exploit" ], "url": "https://www.exploit-db.com/exploits/48951" }, { "tags": [ "exploit" ], "url": "https://packetstorm.news/files/id/159602" }, { "tags": [ "exploit" ], "url": "https://cxsecurity.com/issue/WLB-2020100122" }, { "tags": [ "vdb-entry" ], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/190031" }, { "tags": [ "product" ], "url": "http://www.request.com/" }, { "tags": [ "third-party-advisory" ], "url": "https://www.vulncheck.com/advisories/request-serious-play-f3-media-server-remote-dos" } ], "source": { "discovery": "UNKNOWN" }, "timeline": [ { "lang": "en", "time": "2020-10-18T16:00:00.000Z", "value": "ZSL-2020-5601 is publicly disclosed." } ], "title": "ReQuest Serious Play F3 Media Server <= 7.0.3 Remote DoS", "x_generator": { "engine": "vulncheck" }, "datePublic": "2020-10-26T00:00:00.000Z" }, "adp": [ { "references": [ { "url": "https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5601.php", "tags": [ "exploit" ] }, { "url": "https://www.exploit-db.com/exploits/48951", "tags": [ "exploit" ] }, { "url": "https://cxsecurity.com/issue/WLB-2020100122", "tags": [ "exploit" ] } ], "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2025-11-18T16:28:09.165341Z", "id": "CVE-2021-4465", "options": [ { "Exploitation": "poc" }, { "Automatable": "yes" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-11-18T16:28:12.048Z" } } ] } }