CVE-2026-56597
HCL BigFix Service Management is affected by a Sensitive Information Leakage vulnerability, which could allow an unauthenticated attacker to extract internal IP addresses from the application's responses, enabling them to map the underlying network topology and identify potential internal targets.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
- Puntuación base: 3.1
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.25%
- Percentil entre todas las CVEs puntuadas: 15
- Fecha de la puntuación: 2/10/2026
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
T1210Exploitation of Remote Serviceslateral movement60 % - Impacto principal
T1005Data from Local Systemcollection75 % - Impacto secundario
T1590.004Network Topologyreconnaissance65 %
Vulnerabilidad CWE-200 en servicio remoto (BigFix) accesible en red sin requerir autenticación inicial (AV:N, PR:L indica acceso a nivel de aplicación). Exfiltración de direcciones IP internas para mapeo de topología de red.
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-200
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-56597",
"cveTags": [],
"metrics": {
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{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-56597",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-09-18T11:10:24.889452Z"
}
}
],
"cvssMetricV31": [
{
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"cvssData": {
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"version": "3.1",
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"attackVector": "NETWORK",
"baseSeverity": "LOW",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "HIGH",
"availabilityImpact": "NONE",
"privilegesRequired": "LOW",
"confidentialityImpact": "LOW"
},
"impactScore": 1.4,
"exploitabilityScore": 1.6
}
]
},
"affected": [
{
"source": "psirt@hcl.com",
"affectedData": [
{
"vendor": "HCL Software",
"product": "HCL BigFix Service Management",
"versions": [
{
"status": "affected",
"version": "v27"
}
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"defaultStatus": "unaffected"
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],
"published": "2026-09-18T09:16:42.017",
"references": [
{
"url": "https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0133917",
"source": "psirt@hcl.com"
}
],
"vulnStatus": "Undergoing Analysis",
"weaknesses": [
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"description": [
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"descriptions": [
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],
"lastModified": "2026-09-18T13:44:57.517",
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}