CVE-2019-18261 — CRITICAL (9.8)

Vulnerability 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.

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Omron	Plc Cj Firmware	All versions
Omron	Plc Cs Firmware	All versions
Omron	Plc Nj Firmware	All versions

Related Weaknesses (CWE)

CWE-307

References

https://www.us-cert.gov/ics/advisories/icsa-19-346-03Third Party AdvisoryUS Government Resource
https://www.us-cert.gov/ics/advisories/icsa-19-346-03Third Party AdvisoryUS Government Resource

FAQ

What is CVE-2019-18261?

CVE-2019-18261 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 authentic...

How severe is CVE-2019-18261?

CVE-2019-18261 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2019-18261?

Check the references section above for vendor advisories and patch information. Affected products include: Omron Plc Cj Firmware, Omron Plc Cs Firmware, Omron Plc Nj Firmware.