CVE-2025-54595
Pearcleaner is a free, source-available and fair-code licensed mac app cleaner. The PearcleanerHelper is a privileged helper tool bundled with the Pearcleaner application. It is registered and activated only after the user approves a system prompt to allow privileged operations. Upon approval, the helper is configured as a LaunchDaemon and runs with root privileges. In versions 4.4.0 through 4.5.1, the helper registers an XPC service (com.alienator88.Pearcleaner.PearcleanerHelper) and accepts unauthenticated connections from any local process. It exposes a method that executes arbitrary shell commands. This allows any local unprivileged user to escalate privileges to root once the helper is approved and active. This issue is fixed in version 4.5.2.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
- Puntuación base: 7.3
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.18%
- Percentil entre todas las CVEs puntuadas: 6
- 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 Interpreterexecution95 %
Requiere interacción del usuario (UI:R) para activar el privileged helper. Una vez activado, cualquier proceso local ejecuta comandos arbitrarios como root, permitiendo escalada de privilegios y ejecución de código.
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, CWE-269
Referencias
JSON original (NVD)
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{
"id": "CVE-2025-54595",
"cveTags": [],
"metrics": {
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{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2025-54595",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"version": "2.0.3",
"timestamp": "2025-08-01T18:21:37.941397Z"
}
}
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"cvssMetricV31": [
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"type": "Secondary",
"source": "security-advisories@github.com",
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"version": "3.1",
"baseScore": 7.3,
"attackVector": "LOCAL",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 1.3
}
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},
"affected": [
{
"source": "security-advisories@github.com",
"affectedData": [
{
"vendor": "alienator88",
"product": "Pearcleaner",
"versions": [
{
"status": "affected",
"version": ">= 4.4.0, < 4.5.2"
}
]
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],
"published": "2025-08-01T18:15:55.907",
"references": [
{
"url": "https://github.com/alienator88/Pearcleaner/commit/69afadfa95791cb998118ca35c227007b230b984",
"source": "security-advisories@github.com"
},
{
"url": "https://github.com/alienator88/Pearcleaner/issues/278",
"source": "security-advisories@github.com"
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{
"url": "https://github.com/alienator88/Pearcleaner/releases/tag/4.5.2",
"source": "security-advisories@github.com"
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{
"url": "https://github.com/alienator88/Pearcleaner/security/advisories/GHSA-gr2j-65fh-8pvc",
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"description": [
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"value": "CWE-78"
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{
"lang": "en",
"value": "CWE-269"
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"descriptions": [
{
"lang": "en",
"value": "Pearcleaner is a free, source-available and fair-code licensed mac app cleaner. The PearcleanerHelper is a privileged helper tool bundled with the Pearcleaner application. It is registered and activated only after the user approves a system prompt to allow privileged operations. Upon approval, the helper is configured as a LaunchDaemon and runs with root privileges. In versions 4.4.0 through 4.5.1, the helper registers an XPC service (com.alienator88.Pearcleaner.PearcleanerHelper) and accepts unauthenticated connections from any local process. It exposes a method that executes arbitrary shell commands. This allows any local unprivileged user to escalate privileges to root once the helper is approved and active. This issue is fixed in version 4.5.2."
},
{
"lang": "es",
"value": "Pearcleaner es un limpiador de aplicaciones para Mac gratuito, disponible en código fuente y con licencia de código justo. PearcleanerHelper es una herramienta auxiliar con privilegios incluida en la aplicación Pearcleaner. Se registra y activa solo después de que el usuario apruebe una solicitud del sistema para permitir operaciones con privilegios. Tras la aprobación, el asistente se configura como LaunchDaemon y se ejecuta con privilegios de root. En las versiones 4.4.0 a 4.5.1, el asistente registra un servicio XPC (com.alienator88.Pearcleaner.PearcleanerHelper) y acepta conexiones no autenticadas de cualquier proceso local. Expone un método que ejecuta comandos de shell arbitrarios. Esto permite a cualquier usuario local sin privilegios escalar privilegios a root una vez que el asistente está aprobado y activo. Este problema se solucionó en la versión 4.5.2."
}
],
"lastModified": "2026-06-17T09:40:21.943",
"sourceIdentifier": "security-advisories@github.com"
}