CVE-2025-40553
SolarWinds Web Help Desk was found to be susceptible to an untrusted data deserialization vulnerability that could lead to remote code execution, which would allow an attacker to run commands on the host machine. This could be exploited without authentication.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 9.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 68%
- Percentil entre todas las CVEs puntuadas: 99
- 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 access95 % - Impacto principal
T1059Command and Scripting Interpreterexecution90 %
CWE-502 (deserialization de datos no confiables) en aplicación web sin autenticación (AV:N/PR:N/UI:N) permite ejecución remota de comandos en el host.
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-502
Referencias
- https://documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_2026-1_release_notes.htm
- https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-40553
- https://github.com/watchtowrlabs/watchTowr-vs-SolarWinds-WebHelpDesk-CVE-2025-40552-CVE-2025-40553/blob/main/watchTowr-vs-SolarWinds-WebHelpDesk-CVE-2025-40552-CVE-2025-40553.py
JSON original (NVD)
Mostrar
{
"id": "CVE-2025-40553",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2025-40553",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "yes"
},
{
"technicalImpact": "total"
}
],
"version": "2.0.3",
"timestamp": "2026-01-28T00:00:00+00:00"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "psirt@solarwinds.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 9.8,
"attackVector": "NETWORK",
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 3.9
}
]
},
"affected": [
{
"source": "psirt@solarwinds.com",
"affectedData": [
{
"vendor": "SolarWinds",
"product": "Web Help Desk",
"versions": [
{
"status": "affected",
"version": "12.8.8 HF1 and below"
}
],
"defaultStatus": "affected"
}
]
}
],
"published": "2026-01-28T08:16:02.583",
"references": [
{
"url": "https://documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_2026-1_release_notes.htm",
"tags": [
"Release Notes"
],
"source": "psirt@solarwinds.com"
},
{
"url": "https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-40553",
"tags": [
"Vendor Advisory"
],
"source": "psirt@solarwinds.com"
},
{
"url": "https://github.com/watchtowrlabs/watchTowr-vs-SolarWinds-WebHelpDesk-CVE-2025-40552-CVE-2025-40553/blob/main/watchTowr-vs-SolarWinds-WebHelpDesk-CVE-2025-40552-CVE-2025-40553.py",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Secondary",
"source": "psirt@solarwinds.com",
"description": [
{
"lang": "en",
"value": "CWE-502"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "SolarWinds Web Help Desk was found to be susceptible to an untrusted data deserialization vulnerability that could lead to remote code execution, which would allow an attacker to run commands on the host machine. This could be exploited without authentication."
},
{
"lang": "es",
"value": "SolarWinds Web Help Desk fue encontrado susceptible a una vulnerabilidad de deserialización de datos no confiables que podría conducir a la ejecución remota de código, lo que permitiría a un atacante ejecutar comandos en la máquina anfitriona. Esto podría ser explotado sin autenticación."
}
],
"lastModified": "2026-06-17T09:21:44.700",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:solarwinds:web_help_desk:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F7CADB33-214C-441A-BB62-64811EBBEB29",
"versionEndExcluding": "2026.1"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "psirt@solarwinds.com"
}