How severe is CVE-2023-39458?

CVE-2023-39458 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-39458 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-39458?

CVE-2023-39458 affects Trianglemicroworks Scada Data Gateway. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-39458?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2023-39458 have an EU (EUVD) identifier?

Yes. CVE-2023-39458 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-43181.

When was CVE-2023-39458 published?

CVE-2023-39458 was published on 2024-05-03 and last updated on 2026-06-17.

CVE-2023-39458

CVE-2023-39458 is a medium-severity vulnerability in Trianglemicroworks Scada Data Gateway with a CVSS 3.x base score of 5.3. 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-798.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-43181
Weakness: CWE-798
Affected product: Trianglemicroworks Scada Data Gateway
Published: 2024-05-03
Last modified: 2026-06-17

Description

Triangle MicroWorks SCADA Data Gateway Use of Hard-coded Credentials Authentication Bypass Vulnerability. This vulnerability allows network-adjacent 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 within the handling of certificates. The service uses a hard-coded default SSL certificate. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-20509.

Frequently asked questions

What is CVE-2023-39458?: Triangle MicroWorks SCADA Data Gateway Use of Hard-coded Credentials Authentication Bypass Vulnerability. This vulnerability allows network-adjacent 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 within the handling of certificates. The service uses a hard-coded default SSL certificate. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-20509.
How severe is CVE-2023-39458?: CVE-2023-39458 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-39458 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-39458?: CVE-2023-39458 affects Trianglemicroworks Scada Data Gateway. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-39458?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-39458 have an EU (EUVD) identifier?: Yes. CVE-2023-39458 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-43181.
When was CVE-2023-39458 published?: CVE-2023-39458 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:*:*:*:*:*:*:*

More vulnerabilities in Trianglemicroworks Scada Data Gateway

CVE-2023-39457 — Critical (CVSS 9.8): Triangle MicroWorks SCADA Data Gateway Missing Authentication Vulnerability. This vulnerability allows remote attackers…
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