CVE-2026-57031
Gravedad CVSS v4.0:
MEDIA
Tipo:
No Disponible / Otro tipo
Fecha de publicación:
09/07/2026
Última modificación:
09/07/2026
Descripción
*** Pendiente de traducción *** An Improper Check for Unusual or Exceptional Conditions vulnerability in the packet forwarding engine (PFE) of Juniper Networks Junos OS on MX Series allows adjacent subscribers to bypass configured firewall filters.<br />
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On MX Series devices with MPC10/11, LC4800/9600, and MX304 with subscribers configured on static interfaces, ingress firewall filters are not enforced, so that neither protocol level nor upstream bandwidth limitation are in effect. <br />
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This issue affects Junos OS on MX with MPC10/11, LC4800/9600/4802, and MX304:<br />
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* 23.2 versions from 23.2R2-S1 before 23.2R2-S7,<br />
* 23.4 versions from 23.4R2 before 23.4R2-S7,<br />
* 24.2 versions before 24.2R2-S3,<br />
* 24.4 versions before 24.4R2-S2,<br />
* 25.2 versions before 25.2R2.
Impacto
Puntuación base 4.0
5.30
Gravedad 4.0
MEDIA
Puntuación base 3.x
4.70
Gravedad 3.x
MEDIA