CVE-2020-36877
ReQuest Serious Play F3 Media Server 7.0.3 contains an unauthenticated remote code execution vulnerability that allows attackers to execute arbitrary commands as the web server user. Attackers can upload PHP executable files via the Quick File Uploader page, resulting in remote code execution on the server.
CVSS
- Versión: 4.0
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/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
- Puntuación base: 9.3
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.72%
- Percentil entre todas las CVEs puntuadas: 52
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
🎯 Técnicas ATT&CK
Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.
- Explotación
T1190Exploit Public-Facing Applicationinitial access95 % - Impacto secundario
T1505.003Web Shellpersistence80 %
Vulnerabilidad remota sin autenticación en aplicación expuesta (T1190). Permite carga de archivos PHP y ejecución de comandos arbitrarios como usuario del servidor web (T1059 + T1505.003).
Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.
🛡️ Mitigaciones ATT&CK que cubren estas técnicas
Tecnologías afectadas (1)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-78
Referencias
JSON original (NVD)
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{
"id": "CVE-2020-36877",
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"metrics": {
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"id": "CVE-2020-36877",
"role": "CISA Coordinator",
"options": [
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"exploitation": "poc"
},
{
"automatable": "yes"
},
{
"technicalImpact": "total"
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],
"version": "2.0.3",
"timestamp": "2025-12-12T17:19:11.416977Z"
}
}
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"cvssMetricV40": [
{
"type": "Secondary",
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"Safety": "NOT_DEFINED",
"version": "4.0",
"Recovery": "NOT_DEFINED",
"baseScore": 9.3,
"Automatable": "NOT_DEFINED",
"attackVector": "NETWORK",
"baseSeverity": "CRITICAL",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/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",
"exploitMaturity": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED",
"userInteraction": "NONE",
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"attackRequirements": "NONE",
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"subIntegrityImpact": "NONE",
"vulnIntegrityImpact": "HIGH",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"vulnAvailabilityImpact": "HIGH",
"availabilityRequirement": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"subConfidentialityImpact": "NONE",
"vulnConfidentialityImpact": "HIGH",
"confidentialityRequirement": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED"
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"affected": [
{
"source": "disclosure@vulncheck.com",
"affectedData": [
{
"vendor": "ReQuest Serious Play LLC",
"product": "ReQuest Serious Play Pro",
"versions": [
{
"status": "affected",
"version": "7.0.3.4968"
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"defaultStatus": "unknown"
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{
"vendor": "ReQuest Serious Play LLC",
"product": "ReQuest Serious Play",
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{
"status": "affected",
"version": "6.5.2.4954"
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{
"status": "affected",
"version": "6.4.2.4681"
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{
"status": "affected",
"version": "6.3.2.4203"
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{
"status": "affected",
"version": "2.0.1.823"
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"defaultStatus": "unknown"
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"published": "2025-12-05T18:15:53.403",
"references": [
{
"url": "http://request.com/",
"source": "disclosure@vulncheck.com"
},
{
"url": "https://www.exploit-db.com/exploits/48952",
"source": "disclosure@vulncheck.com"
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{
"url": "https://www.vulncheck.com/advisories/request-serious-play-f-media-server-unauthenticated-rce",
"source": "disclosure@vulncheck.com"
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{
"url": "https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5602.php",
"source": "disclosure@vulncheck.com"
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"weaknesses": [
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"description": [
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"descriptions": [
{
"lang": "en",
"value": "ReQuest Serious Play F3 Media Server 7.0.3 contains an unauthenticated remote code execution vulnerability that allows attackers to execute arbitrary commands as the web server user. Attackers can upload PHP executable files via the Quick File Uploader page, resulting in remote code execution on the server."
}
],
"lastModified": "2026-06-17T03:16:23.910",
"sourceIdentifier": "disclosure@vulncheck.com"
}