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

Cybersecurity Help s.r.o.

Published: 2019-12-06

Vulnerability identifier: #VU23433

Vulnerability risk: High

CVSSv4.0: 8.1 [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: Network

Exploit availability: No

Vulnerable software:
IE-SW-VL05M-5TX
Hardware solutions / Routers & switches, VoIP, GSM, etc
IE-SW-VL05MT-5TX
Hardware solutions / Routers & switches, VoIP, GSM, etc
IE-SW-VL05M-3TX-2SC
Hardware solutions / Routers & switches, VoIP, GSM, etc
IE-SW-VL05MT-3TX-2SC
Hardware solutions / Routers & switches, VoIP, GSM, etc
IE-SW-VL05M-3TX-2ST
Hardware solutions / Routers & switches, VoIP, GSM, etc
IE-SW-VL05MT-3TX-2ST
Hardware solutions / Routers & switches, VoIP, GSM, etc
IE-SW-VL08MT-8TX
Hardware solutions / Routers & switches, VoIP, GSM, etc
IE-SW-VL08MT-5TX-3SC
Hardware solutions / Routers & switches, VoIP, GSM, etc
IE-SW-VL08MT-5TX-1SC-2SCS
Hardware solutions / Routers & switches, VoIP, GSM, etc
IE-SW-VL08MT-6TX-2ST
Hardware solutions / Routers & switches, VoIP, GSM, etc
IE-SW-VL08MT-6TX-2SC
Hardware solutions / Routers & switches, VoIP, GSM, etc
IE-SW-VL08MT-6TX-2SCS
Hardware solutions / Routers & switches, VoIP, GSM, etc
IE-SW-PL08M-8TX
Hardware solutions / Routers & switches, VoIP, GSM, etc
IE-SW-PL08MT-8TX
Hardware solutions / Routers & switches, VoIP, GSM, etc
IE-SW-PL08M-6TX-2SC
Hardware solutions / Routers & switches, VoIP, GSM, etc
IE-SW-PL08MT-6TX-2SC
Hardware solutions / Routers & switches, VoIP, GSM, etc
IE-SW-PL08M-6TX-2ST
Hardware solutions / Routers & switches, VoIP, GSM, etc
IE-SW-PL08MT-6TX-2ST
Hardware solutions / Routers & switches, VoIP, GSM, etc
IE-SW-PL08M-6TX-2SCS
Hardware solutions / Routers & switches, VoIP, GSM, etc
IE-SW-PL08MT-6TX-2SCS
Hardware solutions / Routers & switches, VoIP, GSM, etc
IE-SW-PL10M-3GT-7TX
Hardware solutions / Routers & switches, VoIP, GSM, etc
IE-SW-PL10MT-3GT-7TX
Hardware solutions / Routers & switches, VoIP, GSM, etc
IE-SW-PL10M-1GT-2GS-7TX
Hardware solutions / Routers & switches, VoIP, GSM, etc
IE-SW-PL10MT-1GT-2GS-7TX
Hardware solutions / Routers & switches, VoIP, GSM, etc
IE-SW-PL16M-16TX
Hardware solutions / Routers & switches, VoIP, GSM, etc
IE-SW-PL16MT-16TX
Hardware solutions / Routers & switches, VoIP, GSM, etc
IE-SW-PL16M-14TX-2SC
Hardware solutions / Routers & switches, VoIP, GSM, etc
IE-SW-PL16MT-14TX-2SC
Hardware solutions / Routers & switches, VoIP, GSM, etc
IE-SW-PL16M-14TX-2ST
Hardware solutions / Routers & switches, VoIP, GSM, etc
IE-SW-PL16MT-14TX-2ST
Hardware solutions / Routers & switches, VoIP, GSM, etc
IE-SW-PL18M-2GC-16TX
Hardware solutions / Routers & switches, VoIP, GSM, etc
IE-SW-PL18MT-2GC-16TX
Hardware solutions / Routers & switches, VoIP, GSM, etc
IE-SW-PL18M-2GC14TX2SC
Hardware solutions / Routers & switches, VoIP, GSM, etc
IE-SW-PL18MT-2GC14TX2SC
Hardware solutions / Routers & switches, VoIP, GSM, etc
IE-SW-PL18M-2GC14TX2ST
Hardware solutions / Routers & switches, VoIP, GSM, etc
IE-SW-PL18MT-2GC14TX2ST
Hardware solutions / Routers & switches, VoIP, GSM, etc
IE-SW-PL18M-2GC14TX2SCS
Hardware solutions / Routers & switches, VoIP, GSM, etc
IE-SW-PL18MT-2GC14TX2SCS
Hardware solutions / Routers & switches, VoIP, GSM, etc
IE-SW-PL09M-5GC-4GT
Hardware solutions / Routers & switches, VoIP, GSM, etc
IE-SW-PL09MT-5GC-4GT
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: Weidmüller

Description

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.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

IE-SW-VL05M-5TX: 3.6.6

IE-SW-VL05MT-5TX: 3.6.6

IE-SW-VL05M-3TX-2SC: 3.6.6

IE-SW-VL05MT-3TX-2SC: 3.6.6

IE-SW-VL05M-3TX-2ST: 3.6.6

IE-SW-VL05MT-3TX-2ST: 3.6.6

IE-SW-VL08MT-8TX: 3.5.2

IE-SW-VL08MT-5TX-3SC: 3.5.2

IE-SW-VL08MT-5TX-1SC-2SCS: 3.5.2

IE-SW-VL08MT-6TX-2ST: 3.5.2

IE-SW-VL08MT-6TX-2SC: 3.5.2

IE-SW-VL08MT-6TX-2SCS: 3.5.2

IE-SW-PL08M-8TX: 3.3.8

IE-SW-PL08MT-8TX: 3.3.8

IE-SW-PL08M-6TX-2SC: 3.3.8

IE-SW-PL08MT-6TX-2SC: 3.3.8

IE-SW-PL08M-6TX-2ST: 3.3.8

IE-SW-PL08MT-6TX-2ST: 3.3.8

IE-SW-PL08M-6TX-2SCS: 3.3.8

IE-SW-PL08MT-6TX-2SCS: 3.3.8

IE-SW-PL10M-3GT-7TX: 3.3.16

IE-SW-PL10MT-3GT-7TX: 3.3.16

IE-SW-PL10M-1GT-2GS-7TX: 3.3.16

IE-SW-PL10MT-1GT-2GS-7TX: 3.3.16

IE-SW-PL16M-16TX: 3.4.2

IE-SW-PL16MT-16TX: 3.4.2

IE-SW-PL16M-14TX-2SC: 3.4.2

IE-SW-PL16MT-14TX-2SC: 3.4.2

IE-SW-PL16M-14TX-2ST: 3.4.2

IE-SW-PL16MT-14TX-2ST: 3.4.2

IE-SW-PL18M-2GC-16TX: 3.4.4

IE-SW-PL18MT-2GC-16TX: 3.4.4

IE-SW-PL18M-2GC14TX2SC: 3.4.4

IE-SW-PL18MT-2GC14TX2SC: 3.4.4

IE-SW-PL18M-2GC14TX2ST: 3.4.4

IE-SW-PL18MT-2GC14TX2ST: 3.4.4

IE-SW-PL18M-2GC14TX2SCS: 3.4.4

IE-SW-PL18MT-2GC14TX2SCS: 3.4.4

IE-SW-PL09M-5GC-4GT: 3.3.4

IE-SW-PL09MT-5GC-4GT: 3.3.4

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

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

Latest bulletins with this vulnerability

Multiple vulnerabilities in Weidmüller Industrial Ethernet Switches