Is CVE-2019-18380 actively exploited?

No active exploitation of CVE-2019-18380 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2019-18380 be exploited remotely?

Partially. CVE-2019-18380 requires adjacent network access (same network segment) to exploit.

What is the CVSS score of CVE-2019-18380?

CVE-2019-18380 has a CVSS score of 6.5 (MEDIUM).

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MEDIUM

CVE-2019-18380

CWE-287Published: December 9, 2019· Updated: Jun 17, 2026

6.5

CVSS v3.1

Official Description

Symantec Industrial Control System Protection (ICSP), versions 6.x.x, may be susceptible to an unauthorized access issue that could potentially allow a threat actor to create or modify application user accounts without proper authentication.

NVD Source

Technical Analysis

CVE-2019-18380 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

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 full integrity compromise (data manipulation), with a CVSS base score of 6.5.

From a weakness classification perspective (CWE-287): Authentication bypass vulnerabilities allow attackers to access protected resources without valid credentials.