CVE-2023-2187Network attack vector

User session interruption via unauthenticated event broadcasts

Published Jun 7, 2023 · Updated Jan 6, 2025

Missing authentication in WebMonitor in Triangle MicroWorks SCADA Data Gateway 5.01.03 allows remote attackers to interrupt user sessions. WebMonitor accepts and broadcasts unauthenticated events to logged-in users, including a password-change event that forcibly logs them out. No account is required; attackers can disconnect active users or flood their interfaces with false events, without reported data modification.

CVSS severity5.3
Medium
EPSS probability0.59%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authentication in WebMonitor in Triangle MicroWorks SCADA Data Gateway 5.01.03 allows remote attackers to interrupt user sessions. WebMonitor accepts and broadcasts unauthenticated events to logged-in users, including a password-change event that forcibly logs them out. No account is required; attackers can disconnect active users or flood their interfaces with false events, without reported data modification.

The record

CVE
CVE-2023-2187
Published
Jun 7, 2023
Updated
Jan 6, 2025
Vendor
Triangle MicroWorks
Product
SCADA Data Gateway
Classifications
CWE-306, T1499, T1565.002
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 7, 2023CVE publishedPublication date reported by the CVE source.
  2. Jan 6, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=5.01.03

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Triangle MicroWorks · SCADA Data Gatewayversion=5.01.03

Published CVSS scores

5.3TrellixCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-306Missing Authentication for Critical Function
T1499Endpoint Denial of Service
T1565.002Transmitted Data Manipulation

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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