CVE-2025-21606
stats is a macOS system monitor in for the menu bar. The Stats application is vulnerable to a local privilege escalation due to the insecure implementation of its XPC service. The application registers a Mach service under the name `eu.exelban.Stats.SMC.Helper`. The associated binary, eu.exelban.Stats.SMC.Helper, is a privileged helper tool designed to execute actions requiring elevated privileges on behalf of the client, such as setting fan modes, adjusting fan speeds, and executing the `powermetrics` command.
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The root cause of this vulnerability lies in the `shouldAcceptNewConnection` method, which unconditionally returns YES (or true), allowing any XPC client to connect to the service without any form of verification. As a result, unauthorized clients can establish a connection to the Mach service and invoke methods exposed by the HelperTool interface. An attacker can exploit this vulnerability to modify the hardware settings of the user’s device and execute arbitrary code with root privileges. This issue has been addressed in version 2.11.21 and all users are advised to upgrade. There are no known workarounds for this vulnerability.
CVSS
- Versión: 4.0
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/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: 8.7
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.27%
- Percentil entre todas las CVEs puntuadas: 17
- 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
T1203Exploitation for Client Executionexecution85 % - Impacto principal
T1068Exploitation for Privilege Escalationprivilege escalation90 % - Impacto secundario
T1059Command and Scripting Interpreterexecution85 %
Requiere interacción del usuario (UI:P) para iniciar la aplicación vulnerable. El atacante logra escalada de privilegios a root y ejecución de código arbitrario explotando XPC sin validación.
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-345
Referencias
JSON original (NVD)
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"value": "stats is a macOS system monitor in for the menu bar. The Stats application is vulnerable to a local privilege escalation due to the insecure implementation of its XPC service. The application registers a Mach service under the name `eu.exelban.Stats.SMC.Helper`. The associated binary, eu.exelban.Stats.SMC.Helper, is a privileged helper tool designed to execute actions requiring elevated privileges on behalf of the client, such as setting fan modes, adjusting fan speeds, and executing the `powermetrics` command. The root cause of this vulnerability lies in the `shouldAcceptNewConnection` method, which unconditionally returns YES (or true), allowing any XPC client to connect to the service without any form of verification. As a result, unauthorized clients can establish a connection to the Mach service and invoke methods exposed by the HelperTool interface. An attacker can exploit this vulnerability to modify the hardware settings of the user’s device and execute arbitrary code with root privileges. This issue has been addressed in version 2.11.21 and all users are advised to upgrade. There are no known workarounds for this vulnerability."
},
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"value": "stats es un monitor macOS sistema para la barra de menú. La aplicación Stats es vulnerable a una escalada de privilegios locales debido a la implementación insegura de su servicio XPC. La aplicación registra un servicio Mach con el nombre `eu.exelban.Stats.SMC.Helper`. El binario asociado, eu.exelban.Stats.SMC.Helper, es una herramienta auxiliar privilegiada diseñada para ejecutar acciones que requieren privilegios elevados en nombre del cliente, como configurar los modos del ventilador, ajustar las velocidades del ventilador y ejecutar el comando `powermetrics`. La causa raíz de esta vulnerabilidad radica en el método `shouldAcceptNewConnection`, que devuelve incondicionalmente YES (o true), lo que permite que cualquier cliente XPC se conecte al servicio sin ningún tipo de verificación. Como resultado, los clientes no autorizados pueden establecer una conexión con el servicio Mach e invocar métodos expuestos por la interfaz HelperTool. Un atacante puede explotar esta vulnerabilidad para modificar la configuración de hardware del dispositivo del usuario y ejecutar código arbitrario con privilegios de superusario. Este problema se ha solucionado en la versión 2.11.21 y se recomienda a todos los usuarios que actualicen la versión. No se conocen workarounds para esta vulnerabilidad."
}
],
"lastModified": "2026-06-17T08:43:50.510",
"sourceIdentifier": "security-advisories@github.com"
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