CVE-2021-4038
Estado: ModificadaMedia (4.8)—
Cross Site Scripting (XSS) vulnerability in McAfee Network Security Manager (NSM) prior to 10.1 Minor 7 allows a remote authenticated administrator to embed a XSS in the administrator interface via specially crafted custom rules containing HTML. NSM did not correctly sanitize custom rule content in all scenarios.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
- Puntuación base: 4.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.59%
- Percentil entre todas las CVEs puntuadas: 47
- 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).
Tecnologías afectadas (1)
CWE
- CWE-79
- CWE-79
Referencias
JSON original (NVD)
Mostrar
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"id": "CVE-2021-4038",
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"published": "2021-12-09T16:15:08.610",
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},
{
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"value": "Una vulnerabilidad de tipo Cross Site Scripting (XSS) en McAfee Network Security Manager (NSM) versiones anteriores a 10.1 Minor 7, permite a un administrador remoto autenticado insertar una vulnerabilidad de tipo XSS en la interfaz del administrador por medio de reglas personalizadas especialmente diseñadas que contienen HTML. NSM no saneaba correctamente el contenido de las reglas personalizadas en todos los casos"
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"lastModified": "2026-06-17T04:18:56.140",
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