CVE detail

CVE-2020-1604 — CVE-2020-1604

Published 2020-01-15 · Modified 2026-06-17 · Vendor juniper · Product junos · Source nvd
MEDIUM
severity
CVSS-derived band
6.5
CVSS v3
0–10 scale
0.0085
EPSS probability
exploitation probability, 30d
55.0%
EPSS percentile
percentile vs all CVEs
NOT LISTED
CISA KEV
known exploited catalog

Description

On EX4300, EX4600, QFX3500, and QFX5100 Series, a vulnerability in the IP firewall filter component may cause the firewall filter evaluation of certain packets to fail. This issue only affects firewall filter evaluation of certain packets destined to the device Routing Engine (RE). This issue does not affect the Layer 2 firewall filter evaluation nor does it affect the Layer 3 firewall filter evaluation destined to connected hosts. This issue may occur when evaluating both IPv4 or IPv6 packets. This issue affects Juniper Networks Junos OS: 14.1X53 versions prior to 14.1X53-D12 on QFX5100 Series and EX4600 Series; 14.1X53 versions prior to 14.1X53-D52 on QFX3500 Series; 14.1X53 versions prior to 14.1X53-D48 on EX4300 Series; 15.1 versions prior to 15.1R7-S3 on EX4300 Series; 16.1 versions p

Remediation

vendor remediation guidance

For QFX5100 Series and EX4600 Series: The following software releases have been updated to resolve this specific issue: 14.1X53-D12 and all subsequent releases. For QFX3500 Series: The following software releases have been updated to resolve this specific issue: 14.1X53-D52 and all subsequent releases. For EX4300 Series: The following software releases have been updated to resolve this specific issue: 14.1X53-D48, 15.1R7-S3, 16.1R7, 17.1R3, 17.2R3, 17.3R2-S5, 17.3R3, 17.4R2, 18.1R3, 18.2R2, 18.3R1 and all subsequent releases.

workarounds

There are no known workarounds for this issue.

ProductVulnerable rangeFixed versionAdvisory
Juniper Networks Junos OS>=14.1X53<14.1X53-D1214.1X53-D12advisory ↗
Juniper Networks Junos OS>=14.1X53<14.1X53-D4814.1X53-D48advisory ↗
Juniper Networks Junos OS>=14.1X53<14.1X53-D5214.1X53-D52advisory ↗
Juniper Networks Junos OS>=15.1<15.1R7-S315.1R7-S3advisory ↗
Juniper Networks Junos OS>=16.1<16.1R716.1R7advisory ↗
Juniper Networks Junos OS>=17.1<17.1R317.1R3advisory ↗
Juniper Networks Junos OS>=17.2<17.2R317.2R3advisory ↗
Juniper Networks Junos OS>=17.3<17.3R2-S5, 17.3R317.3R2-S5, 17.3R3advisory ↗
Juniper Networks Junos OS>=17.4<17.4R217.4R2advisory ↗
Juniper Networks Junos OS>=18.1<18.1R318.1R3advisory ↗
Juniper Networks Junos OS>=18.2<18.2R218.2R2advisory ↗

References

cvedb.io · NVD · CISA KEV · FIRST EPSS · vendor advisories (CVE Program List v5). Informational only, no warranty — verify every remediation against the vendor advisory before acting on it. This product uses data from the NVD API but is not endorsed or certified by the NVD, CISA, FIRST.org or any vendor named. CVE® is a registered trademark of The MITRE Corporation.