CVE-2022-50796
Estado: ModificadaCrítica (9.3)—
SOUND4 IMPACT/FIRST/PULSE/Eco <=2.x contains an unauthenticated remote code execution vulnerability in the firmware upload functionality with path traversal flaw. Attackers can exploit the upload.cgi script to write malicious files to the system with www-data permissions, enabling unauthorized access and code execution.
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: 1.57%
- Percentil entre todas las CVEs puntuadas: 75
- 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 principal
T1059Command and Scripting Interpreterexecution90 % - Impacto secundario
T1565.001Stored Data Manipulationimpact85 %
AV:N, PR:N, UI:N indica exposición web sin autenticación. CWE-22 (path traversal) en upload.cgi permite escribir archivos maliciosos con ejecución remota. T1005 sugerido se subsume en T1059 (código ejecutado como www-data).
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 (9)
CWE
- CWE-22
Referencias
- https://exchange.xforce.ibmcloud.com/vulnerabilities/247951
- https://packetstormsecurity.com/files/170268/SOUND4-IMPACT-FIRST-PULSE-Eco-2.x-upload.cgi-Code-Execution.html
- https://www.sound4.com/
- https://www.vulncheck.com/advisories/sound-impactfirstpulseeco-x-unauthenticated-remote-code-execution-via-uploadcgi
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5741.php
JSON original (NVD)
Mostrar
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