Is CVE-2017-12123 actively exploited?

No active exploitation of CVE-2017-12123 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2017-12123 be exploited remotely?

Partially. CVE-2017-12123 requires adjacent network access (same network segment) to exploit.

What is the CVSS score of CVE-2017-12123?

CVE-2017-12123 has a CVSS score of 8.8 (HIGH).

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HIGH

CVE-2017-12123

CWE-522Published: May 14, 2018· Updated: Jun 17, 2026

8.8

CVSS v3.1

Official Description

An exploitable clear text transmission of password vulnerability exists in the web server and telnet functionality of Moxa EDR-810 V4.1 build 17030317. An attacker can look at network traffic to get the admin password for the device. The attacker can then use the credentials to login as admin.

NVD Source

Technical Analysis

CVE-2017-12123 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

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 8.8.