Is CVE-2019-0008 actively exploited?

No active exploitation of CVE-2019-0008 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2019-0008 be exploited remotely?

Yes. CVE-2019-0008 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2019-0008?

CVE-2019-0008 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2019-0008

CWE-121Published: April 10, 2019· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

A certain sequence of valid BGP or IPv6 BFD packets may trigger a stack based buffer overflow in the Junos OS Packet Forwarding Engine manager (FXPC) process on QFX5000 series, EX4300, EX4600 devices. This issue can result in a crash of the fxpc daemon or may potentially lead to remote code execution. Affected releases are Juniper Networks Junos OS on QFX 5000 series, EX4300, EX4600 are: 14.1X53; 15.1X53 versions prior to 15.1X53-D235; 17.1 versions prior to 17.1R3; 17.2 versions prior to 17.2R3; 17.3 versions prior to 17.3R3-S2, 17.3R4; 17.4 versions prior to 17.4R2-S1, 17.4R3; 18.1 versions prior to 18.1R3-S1, 18.1R4; 18.2 versions prior to 18.2R2; 18.2X75 versions prior to 18.2X75-D30; 18.3 versions prior to 18.3R2.

NVD Source

Technical Analysis

CVE-2019-0008 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.