Is CVE-2019-3431 actively exploited?

No active exploitation of CVE-2019-3431 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2019-3431 be exploited remotely?

Yes. CVE-2019-3431 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2019-3431?

CVE-2019-3431 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2019-3431

CRITICAL

CVE-2019-3431

CWE-311Published: December 23, 2019· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

All versions up to V4.01.01.02 of ZTE ZXCLOUD GoldenData VAP product have encryption problems vulnerability. Attackers could sniff unencrypted account and password through the network for front-end system access.

NVD Source

Technical Analysis

CVE-2019-3431 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.