CVE-2021-31376

Опубликовано: 19 окт. 2021

Источник: nvd

CVSS3: 7.5

CVSS2: 5

EPSS Низкий

Описание

An Improper Input Validation vulnerability in Packet Forwarding Engine manager (FXPC) process of Juniper Networks Junos OS allows an attacker to cause a Denial of Service (DoS) by sending specific DHCPv6 packets to the device and crashing the FXPC service. Continued receipt and processing of this specific packet will create a sustained Denial of Service (DoS) condition. This issue affects only the following platforms in ACX Series: ACX500, ACX1000, ACX1100, ACX2100, ACX2200, ACX4000, ACX5048, ACX5096 devices. Other ACX platforms are not affected from this issue. This issue affects Juniper Networks Junos OS on ACX500, ACX1000, ACX1100, ACX2100, ACX2200, ACX4000, ACX5048, ACX5096: 18.4 version 18.4R3-S7 and later versions prior to 18.4R3-S8. This issue does not affect: Juniper Networks Junos OS 18.4 versions prior to 18.4R3-S7 on ACX500, ACX1000, ACX1100, ACX2100, ACX2200, ACX4000, ACX5048, ACX5096.

Ссылки

https://kb.juniper.net/JSA11241
Vendor Advisory
https://kb.juniper.net/JSA11241
Vendor Advisory

Уязвимые конфигурации

Конфигурация 1

Одновременно

cpe:2.3:o:juniper:junos:18.4:r3-s7:*:*:*:*:*:*

Одно из

cpe:2.3:h:juniper:acx1000:-:*:*:*:*:*:*:*

cpe:2.3:h:juniper:acx1100:-:*:*:*:*:*:*:*

cpe:2.3:h:juniper:acx2100:-:*:*:*:*:*:*:*

cpe:2.3:h:juniper:acx2200:-:*:*:*:*:*:*:*

cpe:2.3:h:juniper:acx4000:-:*:*:*:*:*:*:*

cpe:2.3:h:juniper:acx500:-:*:*:*:*:*:*:*

cpe:2.3:h:juniper:acx5048:-:*:*:*:*:*:*:*

cpe:2.3:h:juniper:acx5096:-:*:*:*:*:*:*:*

EPSS

Процентиль: 59%

0.00389

Низкий

7.5 High

CVSS3

5 Medium

CVSS2

Дефекты

CWE-20

Связанные уязвимости

GHSA-5rcr-p6cx-h3vx

github

больше 3 лет назад

BDU:2021-05817