Vulnerability in Omron Plc Cj Firmware
CVE-2019-18261
In Omron PLC CS series, all versions, Omron PLC CJ series, all versions, and Omron PLC NJ series, all versions, the software does not implement sufficient measures to prevent multiple failed authentication attempts within in a short time frame, making it more susceptible to brute force attacks.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.013 (70.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 70.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000
Affected products
- Omron Plc Cj Firmware
- Omron Plc Cs Firmware
- Omron Plc Nj Firmware
- Omron Plc Cj, Cs And Nj Series — versions Omron PLC CS series, all versions, Omron PLC CJ series, all versions, Omron PLC NJ series, all versions
Weakness classification (CWE)
References
- www.us-cert.gov/ics/advisories/icsa-19-346-03 (US Government Resource, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-18261?
- CVE-2019-18261 is a critical-severity vulnerability in Omron Plc Cj Firmware, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 9.8/10. Published 2019-12-16.
- How severe is CVE-2019-18261?
- Critical severity. CVSS v3 base score is 9.8 out of 10.