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HIGH · 7.6

CVE-2023-1257

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 attacke...

Vulnerability 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.

CVSS Score

7.6

HIGH

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack Vector
PHYSICAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
MoxaUc-2101-Lx Firmware>= 1.3, <= 1.5
MoxaUc-2101-Lx-
MoxaUc-2102-Lx Firmware>= 1.3, <= 1.5
MoxaUc-2102-Lx-
MoxaUc-2102-T-Lx Firmware>= 1.3, <= 1.5
MoxaUc-2102-T-Lx-
MoxaUc-2104-Lx Firmware>= 1.3, <= 1.5
MoxaUc-2104-Lx-
MoxaUc-2111-Lx Firmware>= 1.3, <= 1.5
MoxaUc-2111-Lx-
MoxaUc-2112-Lx Firmware>= 1.3, <= 1.5
MoxaUc-2112-Lx-
MoxaUc-2114-T-Lx Firmware>= 1.3, <= 1.5
MoxaUc-2114-T-Lx-
MoxaUc-2116-T-Lx Firmware>= 1.3, <= 1.5
MoxaUc-2116-T-Lx-
MoxaUc-3101-T-Ap-Lx Firmware>= 1.2, <= 2.0
MoxaUc-3101-T-Ap-Lx-
MoxaUc-3101-T-Eu-Lx Firmware>= 1.2, <= 2.0
MoxaUc-3101-T-Eu-Lx-

References

FAQ

What is CVE-2023-1257?

CVE-2023-1257 is a vulnerability with a CVSS score of 7.6 (HIGH). 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 attacke...

How severe is CVE-2023-1257?

CVE-2023-1257 has been rated HIGH with a CVSS base score of 7.6/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-1257?

Check the references section above for vendor advisories and patch information. Affected products include: Moxa Uc-2101-Lx Firmware, Moxa Uc-2101-Lx, Moxa Uc-2102-Lx Firmware, Moxa Uc-2102-Lx, Moxa Uc-2102-T-Lx Firmware.