CVE-2020-1670
Estado: ModificadaMedia (6.5)—
En Juniper Networks EX4300 Series, la recepción de un flujo de paquetes IPv4 específicos puede causar una alta carga de CPU del Routing Engine (RE), lo que podría conllevar a problemas de funcionamiento del protocolo de red e interrupciones del tráfico. Estos paquetes específicos pueden originarse solo desde dentro del dominio de transmisión donde está conectado el dispositivo. Este problema ocurre cuando los paquetes ingresan a la interfaz IRB. Solo los paquetes IPv4 pueden desencadenar este problema. Los paquetes IPv6 no pueden desencadenar este problema. Este problema afecta a Juniper Networks Junos OS en EX4300 series: versiones 17.3 anteriores a 17.3R3-S9; versiones 17.4 anteriores a 17.4R2-S11, 17.4R3-S2; versiones 18.1 anteriores a 18.1R3-S10; versiones 18.2 anteriores a 18.2R3-S4; versiones 18.3 anteriores a 18.3R2-S4, 18.3R3-S2; versiones 18.4 anteriores a 18.4R2-S4, 18.4R3-S2; versiones 19.1 anteriores a 19.1R2-S2, 19.1R3-S1; versiones 19.2 anteriores a 19.2R1-S5, 19.2R2-S1, 19.2R3; versiones 19. 3 anteriores a 19.3R2-S4, 19.3R3; versiones 19.4 anteriores a 19.4R1-S3, 19.4R2; versiones 20.1 anteriores a 20.1R1-S3, 20.1R2
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Puntuación base: 6.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.53%
- Percentil entre todas las CVEs puntuadas: 43
- Fecha de la puntuación: 7/10/2026
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-400
- NVD-CWE-noinfo
Referencias
JSON original (NVD)
Mostrar
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