CVE-2020-1634

HIGH

Juniper Junos 12.3X48-D80-12.3X48-D94 - Denial of Service via Multicast Traffic Handling

Title source: llm
STIX 2.1

Description

On High-End SRX Series devices, in specific configurations and when specific networking events or operator actions occur, an SPC receiving genuine multicast traffic may core. Subsequently, all FPCs in a chassis may reset causing a Denial of Service. This issue affects both IPv4 and IPv6. This issue affects: Juniper Networks Junos OS 12.3X48 version 12.3X48-D80 and later versions prior to 12.3X48-D95 on High-End SRX Series. This issue does not affect Branch SRX Series devices.

References (1)

Core 1
Core References
Vendor Advisory x_refsource_misc
https://kb.juniper.net/JSA11014

Scores

CVSS v3 7.5
EPSS 0.0054
EPSS Percentile 67.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-190
Status published
Products (1)
juniper/junos 12.3x48 (17 CPE variants)
Published Apr 08, 2020
Tracked Since Feb 18, 2026