Triangle MicroWorks SCADA Data Gateway Workspace Unrestricted Upload Vulnerability

published 2024-05-03 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-43185

cvss: 6.5; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.5%; EPSS 1.5% chance of exploitation in 30 days, percentile 75%
public exploits: 0; none known

Triangle MicroWorks SCADA Data Gateway Workspace Unrestricted Upload Vulnerability. This vulnerability allows remote attackers to upload arbitrary files on affected installations of Triangle MicroWorks SCADA Data Gateway. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed.

The specific flaw exists within the processing of workspace files. The issue results from the lack of proper validation of user-supplied data, which can allow the upload of arbitrary files. An attacker can leverage this in conjunction with other vulnerabilitites to execute arbitrary code in the context of root. Was ZDI-CAN-20536.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-05-08)

Exploit prediction

1.54% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.0	6.5	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Affected products

Triangle MicroWorks SCADA Data Gateway
trianglemicroworks scada_data_gateway

Classification

Weakness

CWE-434 Unrestricted Upload of File with Dangerous Type

References

trianglemicroworks.com /products/scada-data-gateway/what's-new
vendor-advisory, release-notes
zerodayinitiative.com /advisories/ZDI-23-1030/
third-party-advisory

Sources

CVE List CVE-2023-39462
NVD CVE-2023-39462

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Summary