CVE-2023-39458
Triangle MicroWorks SCADA Data Gateway Use of Hard-coded Credentials Authentication Bypass Vulnerability.
Does this matter?
Lower severity and a low EPSS score (0.24%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.0
- 5.3 MEDIUMCVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 0.24% probability · 15th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-798
- Affected
- trianglemicroworks/scada data gateway
- Source
- zdi-disclosures@trendmicro.com
EPSS 0.2% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://www.trianglemicroworks.com/products/scada-data-gateway/what's-newRelease Notes
- https://www.zerodayinitiative.com/advisories/ZDI-23-1026/Third Party Advisory
- https://www.trianglemicroworks.com/products/scada-data-gateway/what's-newRelease Notes
- https://www.zerodayinitiative.com/advisories/ZDI-23-1026/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.