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CVE-2019-18261

CRITICAL
9.8
CVSS Score
Published: December 16, 2019 at 07:27 PM UTC
Updated: June 17, 2026 at 02:24 AM UTC
6 products affected across 1 vendorPLC Cj FirmwarePLC Cs FirmwarePLC Nj Firmware

Using Omron PLC CJ, CS and NJ Series by N/A?

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Severity
CRITICAL9.8
Exploit prediction
EPSS 1%

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.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_MISCThird Party AdvisoryUS Government Resource
Source: [email protected]
https://www.us-cert.gov/ics/advisories/icsa-19-346-03

CVSS

9.8CRITICAL[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-307

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