CVE-2019-0005

Name: CVE-2019-0005
Creator: NVD / NIST
Published: 2019-01-15T21:29:00.963+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 1.16%

Last modified Jun 17, 2026

CVE-2019-0005 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. On EX2300, EX3400, EX4600, QFX3K and QFX5K series, firewall filter configuration cannot perform packet matching on any IPv6 extension headers. This issue may allow IPv6 packets that should have been blocked to be forwarded. EPSS estimates a 1.16% chance of exploitation in the next 30 days.

Description

On EX2300, EX3400, EX4600, QFX3K and QFX5K series, firewall filter configuration cannot perform packet matching on any IPv6 extension headers. This issue may allow IPv6 packets that should have been blocked to be forwarded. IPv4 packet filtering is unaffected by this vulnerability. Affected releases are Juniper Networks Junos OS on EX and QFX series;: 14.1X53 versions prior to 14.1X53-D47; 15.1 versions prior to 15.1R7; 15.1X53 versions prior to 15.1X53-D234 on QFX5200/QFX5110 series; 15.1X53 versions prior to 15.1X53-D591 on EX2300/EX3400 series; 16.1 versions prior to 16.1R7; 17.1 versions prior to 17.1R2-S10, 17.1R3; 17.2 versions prior to 17.2R3; 17.3 versions prior to 17.3R3; 17.4 versions prior to 17.4R2; 18.1 versions prior to 18.1R2.

Metrics

CVSS 3.1

5.3/10

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

EPSS Probability

1.16%

63.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-770

Affected Software

Vendor	Product	Versions
Juniper	Junos	14.1x53
Juniper	Junos	15.1
Juniper	Junos	15.1x53
Juniper	Junos	16.1
Juniper	Junos	17.1
Juniper	Junos	17.2
Juniper	Junos	17.3
Juniper	Junos	17.4
Juniper	Junos	18.1

References

http://www.securityfocus.com/bid/106665Third Party Advisory, VDB Entry
https://kb.juniper.net/JSA10905Vendor Advisory
http://www.securityfocus.com/bid/106665Third Party Advisory, VDB Entry
https://kb.juniper.net/JSA10905Vendor Advisory

Timeline

Published: Jan 15, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-0005?

How severe is CVE-2019-0005?

CVE-2019-0005 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 1.16% probability of exploitation in the next 30 days.

How do I fix CVE-2019-0005?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-0005?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST