CVE-2019-0048

Summary

CVECVE-2019-0048
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2019-07-11 20:15:00 UTC
Updated2020-09-29 00:28:00 UTC
DescriptionOn EX4300 Series switches with TCAM optimization enabled, incoming multicast traffic matches an implicit loopback filter rule first, since it has high priority. This rule is meant for reserved multicast addresses 224.0.0.x, but incorrectly matches on 224.x.x.x. Due to this bug, when a firewall filter is applied on the loopback interface, other firewall filters might stop working for multicast traffic. The command 'show firewall filter' can be used to confirm whether the filter is working. This issue only affects the EX4300 switch. No other products or platforms are affected by this vulnerability. This issue affects: Juniper Networks Junos OS: 14.1X53 versions prior to 14.1X53-D51, 14.1X53-D115 on EX4300 Series; 17.1 versions prior to 17.1R3 on EX4300 Series; 17.2 versions prior to 17.2R3-S2 on EX4300 Series; 17.3 versions prior to 17.3R3-S3 on EX4300 Series; 17.4 versions prior to 17.4R2-S5, 17.4R3 on EX4300 Series; 18.1 versions prior to 18.1R3-S1 on EX4300 Series; 18.2 versions prior to 18.2R2 on EX4300 Series; 18.3 versions prior to 18.3R2 on EX4300 Series.

Risk And Classification

Problem Types: NVD-CWE-Other

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Juniper Ex4300-24p - All All All
Hardware Juniper Ex4300-24p - All All All
Hardware Juniper Ex4300-24p-s - All All All
Hardware Juniper Ex4300-24p-s - All All All
Hardware Juniper Ex4300-24t - All All All
Hardware Juniper Ex4300-24t - All All All
Hardware Juniper Ex4300-24t-s - All All All
Hardware Juniper Ex4300-24t-s - All All All
Hardware Juniper Ex4300-32f - All All All
Hardware Juniper Ex4300-32f - All All All
Hardware Juniper Ex4300-32f-dc - All All All
Hardware Juniper Ex4300-32f-dc - All All All
Hardware Juniper Ex4300-32f-s - All All All
Hardware Juniper Ex4300-32f-s - All All All
Hardware Juniper Ex4300-48mp - All All All
Hardware Juniper Ex4300-48mp - All All All
Hardware Juniper Ex4300-48mp-s - All All All
Hardware Juniper Ex4300-48mp-s - All All All
Hardware Juniper Ex4300-48p - All All All
Hardware Juniper Ex4300-48p - All All All
Hardware Juniper Ex4300-48p-s - All All All
Hardware Juniper Ex4300-48p-s - All All All
Hardware Juniper Ex4300-48t - All All All
Hardware Juniper Ex4300-48t - All All All
Hardware Juniper Ex4300-48t-afi - All All All
Hardware Juniper Ex4300-48t-afi - All All All
Hardware Juniper Ex4300-48t-dc - All All All
Hardware Juniper Ex4300-48t-dc - All All All
Hardware Juniper Ex4300-48t-dc-afi - All All All
Hardware Juniper Ex4300-48t-dc-afi - All All All
Hardware Juniper Ex4300-48t-s - All All All
Hardware Juniper Ex4300-48t-s - All All All
Hardware Juniper Ex4300-48tafi - All All All
Hardware Juniper Ex4300-48tafi - All All All
Hardware Juniper Ex4300-48tdc - All All All
Hardware Juniper Ex4300-48tdc - All All All
Hardware Juniper Ex4300-48tdc-afi - All All All
Hardware Juniper Ex4300-48tdc-afi - All All All
Operating System Juniper Junos 14.1x53 - All All
Operating System Juniper Junos 14.1x53 d10 All All
Operating System Juniper Junos 14.1x53 d15 All All
Operating System Juniper Junos 14.1x53 d16 All All
Operating System Juniper Junos 14.1x53 d25 All All
Operating System Juniper Junos 14.1x53 d26 All All
Operating System Juniper Junos 14.1x53 d27 All All
Operating System Juniper Junos 14.1x53 d30 All All
Operating System Juniper Junos 14.1x53 d35 All All
Operating System Juniper Junos 14.1x53 d40 All All
Operating System Juniper Junos 14.1x53 d45 All All
Operating System Juniper Junos 14.1x53 d48 All All
Operating System Juniper Junos 14.1x53 d49 All All
Operating System Juniper Junos 17.1 - All All
Operating System Juniper Junos 17.1 r1 All All
Operating System Juniper Junos 17.1 r2-s1 All All
Operating System Juniper Junos 17.1 r2-s10 All All
Operating System Juniper Junos 17.1 r2-s2 All All
Operating System Juniper Junos 17.1 r2-s3 All All
Operating System Juniper Junos 17.1 r2-s4 All All
Operating System Juniper Junos 17.1 r2-s5 All All
Operating System Juniper Junos 17.1 r2-s6 All All
Operating System Juniper Junos 17.1 r2-s7 All All
Operating System Juniper Junos 17.2 - All All
Operating System Juniper Junos 17.2 r1 All All
Operating System Juniper Junos 17.2 r1-s2 All All
Operating System Juniper Junos 17.2 r1-s4 All All
Operating System Juniper Junos 17.2 r1-s7 All All
Operating System Juniper Junos 17.2 r2 All All
Operating System Juniper Junos 17.2 r2-s6 All All
Operating System Juniper Junos 17.2 r2-s7 All All
Operating System Juniper Junos 17.2 r3-s1 All All
Operating System Juniper Junos 17.3 - All All
Operating System Juniper Junos 17.3 r1 All All
Operating System Juniper Junos 17.3 r2 All All
Operating System Juniper Junos 17.3 r2-s1 All All
Operating System Juniper Junos 17.3 r2-s2 All All
Operating System Juniper Junos 17.3 r3-s1 All All
Operating System Juniper Junos 17.3 r3-s2 All All
Operating System Juniper Junos 17.4 - All All
Operating System Juniper Junos 17.4 r1 All All
Operating System Juniper Junos 17.4 r1-s1 All All
Operating System Juniper Junos 17.4 r1-s2 All All
Operating System Juniper Junos 17.4 r1-s4 All All
Operating System Juniper Junos 17.4 r2 All All
Operating System Juniper Junos 17.4 r2-s1 All All
Operating System Juniper Junos 17.4 r2-s2 All All
Operating System Juniper Junos 17.4 r2-s3 All All
Operating System Juniper Junos 17.4 r2-s4 All All
Operating System Juniper Junos 18.1 - All All
Operating System Juniper Junos 18.1 r1 All All
Operating System Juniper Junos 18.1 r2 All All
Operating System Juniper Junos 18.1 r2-s1 All All
Operating System Juniper Junos 18.1 r2-s2 All All
Operating System Juniper Junos 18.2 - All All
Operating System Juniper Junos 18.2 r1 All All
Operating System Juniper Junos 18.2 r1-s3 All All
Operating System Juniper Junos 18.2 r1-s4 All All
Operating System Juniper Junos 18.2 r2-s1 All All
Operating System Juniper Junos 18.2 r2-s2 All All
Operating System Juniper Junos 18.2 r2-s3 All All
Operating System Juniper Junos 18.2 r2-s4 All All
Operating System Juniper Junos 18.3 - All All
Operating System Juniper Junos 18.3 r1 All All
Operating System Juniper Junos 18.3 r1-s1 All All
Operating System Juniper Junos 18.3 r1-s2 All All
Operating System Juniper Junos 18.3 r1-s3 All All
Operating System Juniper Junos 18.3 r1-s4 All All
Operating System Juniper Junos 14.1x53 - All All
Operating System Juniper Junos 14.1x53 d10 All All
Operating System Juniper Junos 14.1x53 d15 All All
Operating System Juniper Junos 14.1x53 d16 All All
Operating System Juniper Junos 14.1x53 d25 All All
Operating System Juniper Junos 14.1x53 d26 All All
Operating System Juniper Junos 14.1x53 d27 All All
Operating System Juniper Junos 14.1x53 d30 All All
Operating System Juniper Junos 14.1x53 d35 All All
Operating System Juniper Junos 14.1x53 d40 All All
Operating System Juniper Junos 14.1x53 d45 All All
Operating System Juniper Junos 14.1x53 d48 All All
Operating System Juniper Junos 14.1x53 d49 All All
Operating System Juniper Junos 17.1 - All All
Operating System Juniper Junos 17.1 r1 All All
Operating System Juniper Junos 17.1 r2-s1 All All
Operating System Juniper Junos 17.1 r2-s10 All All
Operating System Juniper Junos 17.1 r2-s2 All All
Operating System Juniper Junos 17.1 r2-s3 All All
Operating System Juniper Junos 17.1 r2-s4 All All
Operating System Juniper Junos 17.1 r2-s5 All All
Operating System Juniper Junos 17.1 r2-s6 All All
Operating System Juniper Junos 17.1 r2-s7 All All
Operating System Juniper Junos 17.2 - All All
Operating System Juniper Junos 17.2 r1 All All
Operating System Juniper Junos 17.2 r1-s2 All All
Operating System Juniper Junos 17.2 r1-s4 All All
Operating System Juniper Junos 17.2 r1-s7 All All
Operating System Juniper Junos 17.2 r2 All All
Operating System Juniper Junos 17.2 r2-s6 All All
Operating System Juniper Junos 17.2 r2-s7 All All
Operating System Juniper Junos 17.2 r3-s1 All All
Operating System Juniper Junos 17.3 - All All
Operating System Juniper Junos 17.3 r1 All All
Operating System Juniper Junos 17.3 r2 All All
Operating System Juniper Junos 17.3 r2-s1 All All
Operating System Juniper Junos 17.3 r2-s2 All All
Operating System Juniper Junos 17.3 r3-s1 All All
Operating System Juniper Junos 17.3 r3-s2 All All
Operating System Juniper Junos 17.4 - All All
Operating System Juniper Junos 17.4 r1 All All
Operating System Juniper Junos 17.4 r1-s1 All All
Operating System Juniper Junos 17.4 r1-s2 All All
Operating System Juniper Junos 17.4 r1-s4 All All
Operating System Juniper Junos 17.4 r2 All All
Operating System Juniper Junos 17.4 r2-s1 All All
Operating System Juniper Junos 17.4 r2-s2 All All
Operating System Juniper Junos 17.4 r2-s3 All All
Operating System Juniper Junos 17.4 r2-s4 All All
Operating System Juniper Junos 18.1 - All All
Operating System Juniper Junos 18.1 r1 All All
Operating System Juniper Junos 18.1 r2 All All
Operating System Juniper Junos 18.1 r2-s1 All All
Operating System Juniper Junos 18.1 r2-s2 All All
Operating System Juniper Junos 18.2 - All All
Operating System Juniper Junos 18.2 r1 All All
Operating System Juniper Junos 18.2 r1-s3 All All
Operating System Juniper Junos 18.2 r1-s4 All All
Operating System Juniper Junos 18.2 r2-s1 All All
Operating System Juniper Junos 18.2 r2-s2 All All
Operating System Juniper Junos 18.2 r2-s3 All All
Operating System Juniper Junos 18.2 r2-s4 All All
Operating System Juniper Junos 18.3 - All All
Operating System Juniper Junos 18.3 r1 All All
Operating System Juniper Junos 18.3 r1-s1 All All
Operating System Juniper Junos 18.3 r1-s2 All All
Operating System Juniper Junos 18.3 r1-s3 All All
Operating System Juniper Junos 18.3 r1-s4 All All

References

ReferenceSourceLinkTags
2019-07 Security Bulletin: EX4300 Series: When a firewall filter is applied to a loopback interface, other firewall filters for multicast traffic may fail (CVE-2019-0048) - Juniper Networks CONFIRM kb.juniper.net Patch, Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
© CVE.report 2026 |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

CVE.report and Source URL Uptime Status status.cve.report