How severe is CVE-2023-39457?

CVE-2023-39457 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-39457 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-39457?

CVE-2023-39457 affects Trianglemicroworks Scada Data Gateway. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-39457?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2023-39457 have an EU (EUVD) identifier?

Yes. CVE-2023-39457 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-43180.

When was CVE-2023-39457 published?

CVE-2023-39457 was published on 2024-05-03 and last updated on 2026-06-17.

CVE-2023-39457

CVE-2023-39457 is a critical-severity vulnerability in Trianglemicroworks Scada Data Gateway with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-306.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-43180
Weakness: CWE-306
Affected product: Trianglemicroworks Scada Data Gateway
Published: 2024-05-03
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2023-39457?: 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.
How severe is CVE-2023-39457?: CVE-2023-39457 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-39457 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-39457?: CVE-2023-39457 affects Trianglemicroworks Scada Data Gateway. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-39457?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2023-39457 have an EU (EUVD) identifier?: Yes. CVE-2023-39457 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-43180.
When was CVE-2023-39457 published?: CVE-2023-39457 was published on 2024-05-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:trianglemicroworks:scada_data_gateway:5.1.3.20324:*:*:*:*:*:*:*

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