What’s Vulnerable › Vulnerabilities
CVE-2023-1257: CVE-2023-1257
- Severity: medium (CVSS 6.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2023-03-07 · updated 2026-06-17
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.
Affected products
- Moxa Uc-2101-Lx Firmware: from 1.3 through 1.5
- Moxa Uc-2102-Lx Firmware: from 1.3 through 1.5
- Moxa Uc-2102-T-Lx Firmware: from 1.3 through 1.5
- Moxa Uc-2104-Lx Firmware: from 1.3 through 1.5
- Moxa Uc-2111-Lx Firmware: from 1.3 through 1.5
- Moxa Uc-2112-Lx Firmware: from 1.3 through 1.5
- Moxa Uc-2114-T-Lx Firmware: from 1.3 through 1.5
- Moxa Uc-2116-T-Lx Firmware: from 1.3 through 1.5
- Moxa Uc-3101-T-Ap-Lx Firmware: from 1.2 through 2.0
- Moxa Uc-3101-T-Eu-Lx Firmware: from 1.2 through 2.0
- Moxa Uc-3101-T-Us-Lx Firmware: from 1.2 through 2.0
- Moxa Uc-3111-T-Ap-Lx-Nw Firmware: from 1.2 through 2.0
- Moxa Uc-3111-T-Ap-Lx Firmware: from 1.2 through 2.0
- Moxa Uc-3111-T-Eu-Lx-Nw Firmware: from 1.2 through 2.0
- Moxa Uc-3111-T-Eu-Lx Firmware: from 1.2 through 2.0
- Moxa Uc-3111-T-Us-Lx-Nw Firmware: from 1.2 through 2.0
- Moxa Uc-3111-T-Us-Lx Firmware: from 1.2 through 2.0
- Moxa Uc-3121-T-Ap-Lx Firmware: from 1.2 through 2.0
- Moxa Uc-3121-T-Eu-Lx Firmware: from 1.2 through 2.0
- Moxa Uc-3121-T-Us-Lx Firmware: from 1.2 through 2.0
- Moxa Uc-5101-Lx Firmware: 1.2
- Moxa Uc-5101-T-Lx Firmware: 1.2
- Moxa Uc-5102-Lx Firmware: 1.2
- Moxa Uc-5102-T-Lx Firmware: 1.2
- Moxa Uc-5111-Lx Firmware: 1.2
- Moxa Uc-5111-T-Lx Firmware: 1.2
- Moxa Uc-5112-Lx Firmware: 1.2
- Moxa Uc-5112-T-Lx Firmware: 1.2
- Moxa Uc-8112-Lx Firmware: 1.2
- Moxa Uc-8112-Me-T-Lx1 Firmware: from 1.0 through 1.1
References
- https://www.cisa.gov/uscert/ics/advisories/icsa-22-333-04
- https://www.cisa.gov/uscert/ics/advisories/icsa-22-333-04
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