CVE-2020-3240

Estado: ModificadaAlta (7.3)—

Multiple vulnerabilities in the REST API of Cisco UCS Director and Cisco UCS Director Express for Big Data may allow a remote attacker to bypass authentication or conduct directory traversal attacks on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

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: 39%
Percentil entre todas las CVEs puntuadas: 99
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.

ExplotaciónT1133 External Remote Servicespersistence · initial access
Impacto principalT1005 Data from Local Systemcollection
Impacto principalT1505.003 Web Shellpersistence
Impacto secundarioT1003.008 /etc/passwd and /etc/shadowcredential access
Impacto secundarioT1059 Command and Scripting Interpreterexecution
Impacto secundarioT1552.001 Credentials In Filescredential access

Fuente: mapeo oficial MITRE CTID (CVE → ATT&CK).

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Disable or Remove Feature or Program Restrict Web-Based Content Privileged Account Management Password Policies Audit User Training

Tecnologías afectadas (2)

Cisco — UCS Director Cisco — UCS Director Express FOR BIG Data

CWE

CWE-20
CWE-20

Referencias

JSON original (NVD)

Mostrar

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