CVE-2019-0006

Name: CVE-2019-0006
Creator: NVD / NIST
Published: 2019-01-15T21:29:01.027+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 5.26%

Last modified Jun 17, 2026

CVE-2019-0006 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A certain crafted HTTP packet can trigger an uninitialized function pointer deference vulnerability in the Packet Forwarding Engine manager (fxpc) on all EX, QFX and MX Series devices in a Virtual Chassis configuration. This issue can result in a crash of the fxpc daemon or may potentially lead to remote code execution. EPSS estimates a 5.26% chance of exploitation in the next 30 days.

Description

A certain crafted HTTP packet can trigger an uninitialized function pointer deference vulnerability in the Packet Forwarding Engine manager (fxpc) on all EX, QFX and MX Series devices in a Virtual Chassis configuration. This issue can result in a crash of the fxpc daemon or may potentially lead to remote code execution. This issue only occurs when the crafted packet it destined to the device. Affected releases are Juniper Networks Junos OS: 14.1X53 versions prior to 14.1X53-D47 on EX and QFX Virtual Chassis Platforms; 15.1 versions prior to 15.1R7-S3 all Virtual Chassis Platforms 15.1X53 versions prior to 15.1X53-D50 on EX and QFX Virtual Chassis Platforms.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

5.26%

91.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions	Update
Juniper	Junos	14.1x53	—
Juniper	Junos	15.1	R1
Juniper	Junos	15.1x53	D20

References

http://www.securityfocus.com/bid/106666Third Party Advisory, VDB Entry
https://kb.juniper.net/JSA10906Vendor Advisory
http://www.securityfocus.com/bid/106666Third Party Advisory, VDB Entry
https://kb.juniper.net/JSA10906Vendor Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2019-0006?

How severe is CVE-2019-0006?

CVE-2019-0006 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 5.26% probability of exploitation in the next 30 days.

How do I fix CVE-2019-0006?

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-2019-0006?

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

Scan your code now

Source: NVD / NIST