Is CVE-2019-0006 actively exploited?

No active exploitation of CVE-2019-0006 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2019-0006 be exploited remotely?

Yes. CVE-2019-0006 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2019-0006?

CVE-2019-0006 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2019-0006

CWE-908Published: January 15, 2019· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2019-0006 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.