VULNERABILITY INTELLIGENCE
CVE-2023-1257
CVSS score7.6 HIGH
EPSS probability0.32%
CISA KEVNot currently listed
Published2023-03-07
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Description
An attacker with physical access to the affected Moxa UC Series devices can initiate a restart of the device and gain access to its BIOS. Command line options can then be altered, allowing the attacker to access the terminal. From the terminal, the attacker can modify the device’s authentication files to create a new user and gain full access to the system.
Primary references
- ics-cert@hq.dhs.gov — Third Party Advisory, US Government Resource
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, US Government Resource