Vulnerability in Moxa Uc-2100 Series
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 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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.6 (High). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.003 (22.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 22.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.cisa.gov/uscert/ics/advisories/icsa-22-333-04 (US Government Resource, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-1257?
- CVE-2023-1257 is a high-severity vulnerability in Moxa Uc-2100 Series, classified under CWE-1263. CVSS score: 7.6/10. Published 2023-03-07.
- How severe is CVE-2023-1257?
- High severity. CVSS v3 base score is 7.6 out of 10.