CVE-2021-4465 (GCVE-0-2021-4465)
Vulnerability from cvelistv5
Published
2025-11-14 22:51
Modified
2025-12-05 12:08
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-400 - Uncontrolled Resource Consumption
Summary
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.
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| ReQuest Serious Play LLC | ReQuest Serious Play Pro |
Version: 7.0.3.4968 |
|||||||
|
|||||||||
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2021-4465",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-11-18T16:28:09.165341Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-11-18T16:28:12.048Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"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://cxsecurity.com/issue/WLB-2020100122"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"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": {
"dateUpdated": "2025-12-05T12:08:15.315Z",
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck"
},
"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 \u003c= 7.0.3 Remote DoS",
"x_generator": {
"engine": "vulncheck"
}
}
},
"cveMetadata": {
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"assignerShortName": "VulnCheck",
"cveId": "CVE-2021-4465",
"datePublished": "2025-11-14T22:51:28.004Z",
"dateReserved": "2025-11-14T18:47:13.964Z",
"dateUpdated": "2025-12-05T12:08:15.315Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2021-4465\",\"sourceIdentifier\":\"disclosure@vulncheck.com\",\"published\":\"2025-11-14T23:15:42.177\",\"lastModified\":\"2025-11-18T17:15:57.000\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"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.\"}],\"metrics\":{\"cvssMetricV40\":[{\"source\":\"disclosure@vulncheck.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"4.0\",\"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/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\",\"baseScore\":8.7,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"attackRequirements\":\"NONE\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"vulnConfidentialityImpact\":\"NONE\",\"vulnIntegrityImpact\":\"NONE\",\"vulnAvailabilityImpact\":\"HIGH\",\"subConfidentialityImpact\":\"NONE\",\"subIntegrityImpact\":\"NONE\",\"subAvailabilityImpact\":\"NONE\",\"exploitMaturity\":\"NOT_DEFINED\",\"confidentialityRequirement\":\"NOT_DEFINED\",\"integrityRequirement\":\"NOT_DEFINED\",\"availabilityRequirement\":\"NOT_DEFINED\",\"modifiedAttackVector\":\"NOT_DEFINED\",\"modifiedAttackComplexity\":\"NOT_DEFINED\",\"modifiedAttackRequirements\":\"NOT_DEFINED\",\"modifiedPrivilegesRequired\":\"NOT_DEFINED\",\"modifiedUserInteraction\":\"NOT_DEFINED\",\"modifiedVulnConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedVulnIntegrityImpact\":\"NOT_DEFINED\",\"modifiedVulnAvailabilityImpact\":\"NOT_DEFINED\",\"modifiedSubConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedSubIntegrityImpact\":\"NOT_DEFINED\",\"modifiedSubAvailabilityImpact\":\"NOT_DEFINED\",\"Safety\":\"NOT_DEFINED\",\"Automatable\":\"NOT_DEFINED\",\"Recovery\":\"NOT_DEFINED\",\"valueDensity\":\"NOT_DEFINED\",\"vulnerabilityResponseEffort\":\"NOT_DEFINED\",\"providerUrgency\":\"NOT_DEFINED\"}}]},\"weaknesses\":[{\"source\":\"disclosure@vulncheck.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-400\"}]}],\"references\":[{\"url\":\"http://www.request.com/\",\"source\":\"disclosure@vulncheck.com\"},{\"url\":\"https://cxsecurity.com/issue/WLB-2020100122\",\"source\":\"disclosure@vulncheck.com\"},{\"url\":\"https://exchange.xforce.ibmcloud.com/vulnerabilities/190031\",\"source\":\"disclosure@vulncheck.com\"},{\"url\":\"https://packetstorm.news/files/id/159602\",\"source\":\"disclosure@vulncheck.com\"},{\"url\":\"https://www.exploit-db.com/exploits/48951\",\"source\":\"disclosure@vulncheck.com\"},{\"url\":\"https://www.vulncheck.com/advisories/request-serious-play-f3-media-server-remote-dos\",\"source\":\"disclosure@vulncheck.com\"},{\"url\":\"https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5601.php\",\"source\":\"disclosure@vulncheck.com\"},{\"url\":\"https://cxsecurity.com/issue/WLB-2020100122\",\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\"},{\"url\":\"https://www.exploit-db.com/exploits/48951\",\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\"},{\"url\":\"https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5601.php\",\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\"}]}}",
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2021-4465\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"poc\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-11-18T16:28:09.165341Z\"}}}], \"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\"]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-11-18T16:28:02.701Z\"}}], \"cna\": {\"title\": \"ReQuest Serious Play F3 Media Server \u003c= 7.0.3 Remote DoS\", \"source\": {\"discovery\": \"UNKNOWN\"}, \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"Gjoko Krstic of Zero Science Lab\"}], \"impacts\": [{\"capecId\": \"CAPEC-227\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"CAPEC-227 Sustained Client Engagement\"}]}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV4_0\": {\"Safety\": \"NOT_DEFINED\", \"version\": \"4.0\", \"Recovery\": \"NOT_DEFINED\", \"baseScore\": 8.7, \"Automatable\": \"NOT_DEFINED\", \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"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\", \"exploitMaturity\": \"NOT_DEFINED\", \"providerUrgency\": \"NOT_DEFINED\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"attackRequirements\": \"NONE\", \"privilegesRequired\": \"NONE\", \"subIntegrityImpact\": \"NONE\", \"vulnIntegrityImpact\": \"NONE\", \"subAvailabilityImpact\": \"NONE\", \"vulnAvailabilityImpact\": \"HIGH\", \"subConfidentialityImpact\": \"NONE\", \"vulnConfidentialityImpact\": \"NONE\", \"vulnerabilityResponseEffort\": \"NOT_DEFINED\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"ReQuest Serious Play LLC\", \"product\": \"ReQuest Serious Play Pro\", \"versions\": [{\"status\": \"affected\", \"version\": \"7.0.3.4968\"}], \"defaultStatus\": \"unknown\"}, {\"vendor\": \"ReQuest Serious Play LLC\", \"product\": \"ReQuest Serious Play\", \"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\"}], \"defaultStatus\": \"unknown\"}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2020-10-18T16:00:00.000Z\", \"value\": \"ZSL-2020-5601 is publicly disclosed.\"}], \"references\": [{\"url\": \"https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5601.php\", \"tags\": [\"technical-description\", \"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\": [\"exploit\"]}, {\"url\": \"https://exchange.xforce.ibmcloud.com/vulnerabilities/190031\", \"tags\": [\"vdb-entry\"]}, {\"url\": \"http://www.request.com/\", \"tags\": [\"product\"]}, {\"url\": \"https://www.vulncheck.com/advisories/request-serious-play-f3-media-server-remote-dos\", \"tags\": [\"third-party-advisory\"]}], \"x_generator\": {\"engine\": \"vulncheck\"}, \"descriptions\": [{\"lang\": \"en\", \"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.\", \"supportingMedia\": [{\"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.\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-400\", \"description\": \"CWE-400 Uncontrolled Resource Consumption\"}]}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:a:request:serious_play_pro:7.0.3.4968:*:*:*:*:*:*:*\", \"vulnerable\": true}], \"operator\": \"OR\"}, {\"negate\": false, \"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}], \"operator\": \"OR\"}], \"operator\": \"OR\"}], \"providerMetadata\": {\"orgId\": \"83251b91-4cc7-4094-a5c7-464a1b83ea10\", \"shortName\": \"VulnCheck\", \"dateUpdated\": \"2025-12-05T12:08:15.315Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2021-4465\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-12-05T12:08:15.315Z\", \"dateReserved\": \"2025-11-14T18:47:13.964Z\", \"assignerOrgId\": \"83251b91-4cc7-4094-a5c7-464a1b83ea10\", \"datePublished\": \"2025-11-14T22:51:28.004Z\", \"assignerShortName\": \"VulnCheck\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
Loading…
Loading…