CVE-2026-30798
Insufficient Verification of Data Authenticity, Improper Handling of Exceptional Conditions vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android (Heartbeat sync loop, strategy processing modules) allows Protocol Manipulation.
This vulnerability is associated with program files src/hbbs_http/sync.Rs and program routines stop-service handler in heartbeat loop.
This issue affects RustDesk Client: through 1.4.8.
CVSS
- Versión: 4.0
- Vector: CVSS:4.0/AV:N/AC:L/AT:P/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
- Puntuación base: 8.2
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.34%
- Percentil entre todas las CVEs puntuadas: 26
- Fecha de la puntuación: 5/10/2026
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 access85 % - Impacto principal
T1565.002Transmitted Data Manipulationimpact75 % - Impacto secundario
T1498.002Reflection Amplificationimpact65 %
Vulnerabilidad en heartbeat sync loop de RustDesk permite manipulación de protocolo (CWE-345) vía red sin autenticación (AV:N, PR:N). Impacta disponibilidad (VA:H) mediante DoS de servicio heartbeat y manipulación de datos de sincronización.
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)
CWE
- CWE-345, CWE-755
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-30798",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-30798",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-03-17T14:32:18.919197Z"
}
}
],
"cvssMetricV31": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 7.5,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "NONE"
},
"impactScore": 3.6,
"exploitabilityScore": 3.9
}
],
"cvssMetricV40": [
{
"type": "Secondary",
"source": "2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe",
"cvssData": {
"Safety": "NOT_DEFINED",
"version": "4.0",
"Recovery": "NOT_DEFINED",
"baseScore": 8.2,
"Automatable": "NOT_DEFINED",
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/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",
"exploitMaturity": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"attackRequirements": "PRESENT",
"privilegesRequired": "NONE",
"subIntegrityImpact": "NONE",
"vulnIntegrityImpact": "NONE",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"vulnAvailabilityImpact": "HIGH",
"availabilityRequirement": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"subConfidentialityImpact": "NONE",
"vulnConfidentialityImpact": "NONE",
"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"
}
}
]
},
"affected": [
{
"source": "2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe",
"affectedData": [
{
"repo": "https://github.com/rustdesk/rustdesk,https://github.com/rustdesk/hbb_common",
"vendor": "rustdesk-client",
"modules": [
"Heartbeat sync loop",
"strategy processing"
],
"product": "RustDesk Client",
"versions": [
{
"status": "affected",
"version": "0",
"versionType": "custom",
"lessThanOrEqual": "1.4.8"
}
],
"platforms": [
"Windows",
"MacOS",
"Linux",
"iOS",
"Android"
],
"packageName": "rustdesk-client",
"programFiles": [
"src/hbbs_http/sync.rs"
],
"collectionURL": "https://github.com/rustdesk/rustdesk/releases",
"defaultStatus": "affected",
"programRoutines": [
{
"name": "stop-service handler in heartbeat loop"
}
]
}
]
}
],
"published": "2026-03-05T16:16:21.333",
"references": [
{
"url": "https://docs.google.com/document/d/e/2PACX-1vSds6jjpd38oO_yIAyd1HYtKNUuea-I-ozAPpGhYI7QgAU-QGJ7D8a4rOZVj1vmiUXV1EcdRHf9aZAW/pub",
"tags": [
"Exploit",
"Third Party Advisory"
],
"source": "2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe"
},
{
"url": "https://rustdesk.com/docs/en/client/",
"tags": [
"Product"
],
"source": "2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe"
},
{
"url": "https://www.vulsec.org/",
"tags": [
"Third Party Advisory"
],
"source": "2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Secondary",
"source": "2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe",
"description": [
{
"lang": "en",
"value": "CWE-345"
},
{
"lang": "en",
"value": "CWE-755"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Insufficient Verification of Data Authenticity, Improper Handling of Exceptional Conditions vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android (Heartbeat sync loop, strategy processing modules) allows Protocol Manipulation.\n\n This vulnerability is associated with program files src/hbbs_http/sync.Rs and program routines stop-service handler in heartbeat loop.\n\n\n\nThis issue affects RustDesk Client: through 1.4.8."
},
{
"lang": "es",
"value": "Vulnerabilidad de Verificación Insuficiente de la Autenticidad de los Datos y Manejo Inadecuado de Condiciones Excepcionales en rustdesk-client RustDesk Client rustdesk-client en Windows, MacOS, Linux, iOS, Android (bucle de sincronización de latidos, módulos de procesamiento de estrategias) permite la Manipulación de Protocolo. Esta vulnerabilidad está asociada con los archivos de programa src/hbbs_http/sync.Rs y las rutinas de programa del gestor de detención de servicio en el bucle de latidos.\n\nEste problema afecta a RustDesk Client: hasta la versión 1.4.5."
}
],
"lastModified": "2026-06-22T10:16:22.603",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:rustdesk:rustdesk:*:*:*:*:-:*:*:*",
"vulnerable": true,
"matchCriteriaId": "70EE9711-C12B-402D-B28E-4CF19EC7BC88",
"versionEndIncluding": "1.4.5"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:apple:iphone_os:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "B5415705-33E5-46D5-8E4D-9EBADC8C5705"
},
{
"criteria": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "387021A0-AF36-463C-A605-32EA7DAC172E"
},
{
"criteria": "cpe:2.3:o:google:android:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "F8B9FEC8-73B6-43B8-B24E-1F7C20D91D26"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "703AF700-7A70-47E2-BC3A-7FD03B3CA9C1"
},
{
"criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA"
}
],
"operator": "OR"
}
],
"operator": "AND"
}
],
"sourceIdentifier": "2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe"
}