CVE-2020-1634

HighCVSS 7.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-190

Affected software

Vendor	Product	Versions
Juniper Networks	Junos OS	>= 12.3X48-D80, < 12.3X48*

References

https://kb.juniper.net/JSA11014Vendor Advisory
https://kb.juniper.net/JSA11014Vendor Advisory

Timeline

Published: Apr 8, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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