Is CVE-2023-39457 actively exploited?

No active exploitation of CVE-2023-39457 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-39457 be exploited remotely?

Yes. CVE-2023-39457 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-39457?

CVE-2023-39457 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-39457

CWE-306Published: May 3, 2024· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2023-39457 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.