Is CVE-2019-6139 actively exploited?

No active exploitation of CVE-2019-6139 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2019-6139 be exploited remotely?

Yes. CVE-2019-6139 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2019-6139?

CVE-2019-6139 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2019-6139

CWE-434Published: February 7, 2019· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

Forcepoint User ID (FUID) server versions up to 1.2 have a remote arbitrary file upload vulnerability on TCP port 5001. Successful exploitation of this vulnerability may lead to remote code execution. To fix this vulnerability, upgrade to FUID version 1.3 or higher. To prevent the vulnerability on FUID versions 1.2 and below, apply local firewall rules on the FUID server to disable all external access to port TCP/5001. FUID requires this port only for local connections through the loopback interface.

NVD Source

Technical Analysis

CVE-2019-6139 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.