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Fencer Vulns
critical 9.8

CVE-2023-39457 json

Triangle MicroWorks SCADA Data Gateway Missing Authentication Vulnerability

published 2024-05-03 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-43180

cvss
9.8
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.0%
EPSS 2.0% chance of exploitation in 30 days, percentile 81%
public exploits
0
none known

Summary

Triangle MicroWorks SCADA Data Gateway Missing Authentication Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of Triangle MicroWorks SCADA Data Gateway. Authentication is not required to exploit this vulnerability.

The specific flaw exists due to the lack of user authentication. The issue results from missing authentication in the default system configuration. An attacker can leverage this vulnerability to execute arbitrary code in the context of root. Was ZDI-CAN-20501.

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

2.03% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Triangle MicroWorks SCADA Data Gateway
  • trianglemicroworks scada_data_gateway

Classification

Weakness
  • CWE-306 Missing Authentication for Critical Functionality

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.