Is CVE-2018-11691 actively exploited?

No active exploitation of CVE-2018-11691 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2018-11691 be exploited remotely?

Yes. CVE-2018-11691 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2018-11691?

CVE-2018-11691 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2018-11691

CWE-798Published: May 14, 2019· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

Emerson DeltaV Smart Switch Command Center application, available in versions 11.3.x and 12.3.1, was unable to change the DeltaV Smart Switches’ management password upon commissioning. Emerson released patches for DeltaV workstations to address this issue, and the patches can be downloaded from Emerson’s Guardian Support Portal. Please refer to the DeltaV Security Notification DSN19003 (KBA NK-1900-0808) for more information about this issue. DeltaV versions 13.3 and higher use the Network Device Command Center application to manage DeltaV Smart Switches, and this newer application is not impacted by this issue. After patching the Smart Switch Command Center, users are required to either commission the DeltaV Smart Switches or change password using the tool.

NVD Source

Technical Analysis

CVE-2018-11691 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.