#VU23433 Improper Restriction of Excessive Authentication Attempts in Weidmüller products - CVE-2019-16670

Vulnerability identifier: #VU23433

Vulnerability risk: High

CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber

CVE-ID: CVE-2019-16670

CWE-ID: CWE-307

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
IE-SW-VL05M-5TX
IE-SW-VL05MT-5TX
IE-SW-VL05M-3TX-2SC
IE-SW-VL05MT-3TX-2SC
IE-SW-VL05M-3TX-2ST
IE-SW-VL05MT-3TX-2ST
IE-SW-VL08MT-8TX
IE-SW-VL08MT-5TX-3SC
IE-SW-VL08MT-5TX-1SC-2SCS
IE-SW-VL08MT-6TX-2ST
IE-SW-VL08MT-6TX-2SC
IE-SW-VL08MT-6TX-2SCS
IE-SW-PL08M-8TX
IE-SW-PL08MT-8TX
IE-SW-PL08M-6TX-2SC
IE-SW-PL08MT-6TX-2SC
IE-SW-PL08M-6TX-2ST
IE-SW-PL08MT-6TX-2ST
IE-SW-PL08M-6TX-2SCS
IE-SW-PL08MT-6TX-2SCS
IE-SW-PL10M-3GT-7TX
IE-SW-PL10MT-3GT-7TX
IE-SW-PL10M-1GT-2GS-7TX
IE-SW-PL10MT-1GT-2GS-7TX
IE-SW-PL16M-16TX
IE-SW-PL16MT-16TX
IE-SW-PL16M-14TX-2SC
IE-SW-PL16MT-14TX-2SC
IE-SW-PL16M-14TX-2ST
IE-SW-PL16MT-14TX-2ST
IE-SW-PL18M-2GC-16TX
IE-SW-PL18MT-2GC-16TX
IE-SW-PL18M-2GC14TX2SC
IE-SW-PL18MT-2GC14TX2SC
IE-SW-PL18M-2GC14TX2ST
IE-SW-PL18MT-2GC14TX2ST
IE-SW-PL18M-2GC14TX2SCS
IE-SW-PL18MT-2GC14TX2SCS
IE-SW-PL09M-5GC-4GT
IE-SW-PL09MT-5GC-4GT

Software vendor:
Weidmüller

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

The vulnerability exists due to the authentication mechanism has no brute-force prevention. A remote attacker can launch a brute-force authentication attack and gain access to the target system.

Install updates from vendor's website.

• https://cert.vde.com/en-us/advisories/vde-2019-018