External risk intelligence

Triangle MicroWorks SCADA Data Gateway Format String Memory Read and Denial of Service Vulnerability

CVE advisorySeverity: CRITICAL (CVSS 9.8)

CVE-2023-2186

The vulnerability exists in SCADA Data Gateway software, which manages industrial communication protocols. While these systems are typically deployed in isolated industrial control environments, they may be exposed to wider networks or the internet in some deployments to facilitate remote monitoring or data integration, making public reachability plausible but not the default or intended design.

Trianglemicroworks Scada Data Gateway

5.01.03 and earlier

Halo Surface Signal: 3 out of 5 — possibly public-facing.

External exposure likelihood

Horizon Alert

Summary of the vulnerability and why it matters

This vulnerability affects Triangle MicroWorks SCADA Data Gateway software, which is used in industrial control systems for communication. An attacker could exploit this flaw to disrupt operations or potentially gain deeper access to systems. The primary concern is to confirm if this specific software is in use and if it's exposed in a way that could be targeted.

Critical flaw in industrial communication software.
Could disrupt operations or lead to deeper access.
Confirm if this software is in use and exposed.

Attack Path

How an attacker could exploit the issue

An unauthenticated attacker can target the SCADA Data Gateway by sending a specially crafted message over the network. This message exploits a format string vulnerability within the gateway, allowing an attacker to read unintended memory. While this can cause a denial-of-service by crashing a monitoring process, it can also be used to leak sensitive memory, which could potentially be chained with other vulnerabilities to achieve code execution.

Requires network access to the gateway.
Triggered by sending a crafted broadcast message.
Risk of denial-of-service or memory leaks.

Live Threat

Current exploitation, exposure, and threat context

This vulnerability could affect the SCADA Data Gateway by allowing attackers to read unrestricted memory. This could lead to denial of service by crashing the Web Monitor process, or potentially code execution when chained with other exploits.

Unrestricted memory reads and process crashes.
Specially crafted broadcast message.
Potential code execution and denial of service.

Operational Fix

Recommended remediation, mitigation, and detection steps

The SCADA Data Gateway is likely managed by an industrial control system (ICS) or operational technology (OT) team, with potential involvement from a vendor management team if Triangle MicroWorks provides support. The initial step is to confirm the presence and reachability of the SCADA Data Gateway, assess its business criticality, and identify the specific system owner before planning any remediation actions.

ICS/OT teams own this issue.
Verify gateway presence and reachability.
Plan remediation based on risk assessment.

Supplementary metadata

CVSS vector

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Frequently asked questions

What is the Triangle MicroWorks SCADA Data Gateway?

It is software that manages and translates industrial communication protocols, often used to connect diverse devices within industrial control environments. Think of it as a bridge that allows different machinery and automation systems to talk to one another.

What does this CVE-2023-2186 vulnerability mean?

This is a format string vulnerability (CWE-134). It occurs when the software improperly handles user-supplied input. By sending specifically crafted messages, an attacker can trick the system into revealing sensitive memory contents or force the monitoring process to crash.

How is this vulnerability triggered?

An attacker triggers this by sending a crafted broadcast message to the gateway over the network. Crucially, simply interacting with the software's normal, legitimate functions without these specific malformed inputs will not cause the bug to manifest.

Is my system at risk according to Halo Surface Signal?

While SCADA Data Gateway is typically found in isolated industrial environments, Halo Surface Signal notes it can sometimes be exposed to wider networks or the internet for remote monitoring. If your deployment has these interfaces, the risk of reachability increases.

What should I do if I use this software?

Your first step is to identify where the gateway is installed and who manages the system. Confirm its network reachability to understand if it is accessible beyond your internal environment, then consult with your OT or ICS team to evaluate next steps.

References

www.trellix.com/en-us/about/newsroom/stories/research/industrial-and-…

Written by Nicholas Merritt

Nicholas Merritt is VP of Security Solutions at Halo Security. With more than 25 years across application security, vulnerability prioritization, and offensive security, he helps teams translate threat data into practical exposure validation and remediation focus. He authors Halo Threat Intelligence CVE advisories using Halo Surface Signal and H/A/L/O context to prioritize internet-facing risk.