CVE-2019-18261

Published: Dec 16, 2019Modified: Jun 17, 2026

9.8

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability: 3.9 / Impact: 5.9

Source: NVD

Description

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.

Affected (3)

Products: Omron: Plc Cj Firmware, Plc Cs Firmware, Plc Nj Firmware

3 products

Plc Cj Firmware

Plc Cs Firmware

Plc Nj Firmware

Configuration A

3 vulnerable

Vulnerable Software	Affected Versions
Omron Plc Cj Firmware	All versions
Omron Plc Cs Firmware	All versions
Omron Plc Nj Firmware	All versions

Related CWEs

Improper Restriction of Excessive Authentication Attempts

The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame, making it more susceptible to brute force attacks.

References (2)

https://www.us-cert.gov/ics/advisories/icsa-19-346-03

Source: ics-cert@hq.dhs.gov

Third Party AdvisoryUS Government Resource

https://www.us-cert.gov/ics/advisories/icsa-19-346-03

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party AdvisoryUS Government Resource

Timeline

No history available yet.