CVE-2023-39458
mediumpriority · track · 0OT risk · elevatedEPSS 0.002 · 15 %ileEURUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (3)
Products and version ranges known to be affected.
- trianglemicroworks scada data gateway= 5.1.3.20324nvdUScpe:2.3:a:trianglemicroworks:scada_data_gateway:*:*:*:*:*:*:*:*
also known as (6)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (7)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2023-39458/cnnvd
- https://www.trianglemicroworks.com/products/scada-data-gateway/what's-newcnnvd
- https://www.zerodayinitiative.com/advisories/ZDI-23-1026/cnnvd
- https://www.trianglemicroworks.com/products/scada-data-gateway/what's-newenisa_euvd
- https://www.zerodayinitiative.com/advisories/ZDI-23-1026/enisa_euvd
- https://www.trianglemicroworks.com/products/scada-data-gateway/what's-newRelease Notesnvd
- https://www.zerodayinitiative.com/advisories/ZDI-23-1026/Third Party Advisorynvd
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