Improper Restriction of Excessive Authentication Attempts in Omron PLC NJ series - CVE-2019-18261

 

Improper Restriction of Excessive Authentication Attempts in Omron PLC NJ series - CVE-2019-18261

Published: December 13, 2019


Vulnerability identifier: #VU23583
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-18261
CWE-ID: CWE-307
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Omron
Affected software:
Omron PLC NJ series

Detailed vulnerability description

The vulnerability allows a remote attacker to gain access to the system.

The vulnerability exists in the FTP function due to the affected software does not implement sufficient measures to prevent multiple failed authentication attempts within in a short time frame. A remote attacker can perform a brute-force authentication attack and gain access to the target system.


How to mitigate CVE-2019-18261

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources