CVE-2019-12550 : What You Need to Know

Devices such as WAGO 852-303, 852-1305, and 852-1505 have hardcoded default credentials allowing unauthorized access via SSH and TELNET.

Understanding CVE-2019-12550

This CVE identifies a security vulnerability in WAGO devices that could be exploited by attackers to gain unauthorized access.

What is CVE-2019-12550?

The vulnerability in WAGO devices allows malicious actors to use hardcoded default credentials to access the devices via SSH and TELNET.

The Impact of CVE-2019-12550

The presence of hardcoded default credentials poses a significant security risk as attackers can exploit them to gain unauthorized access to the affected devices.

Technical Details of CVE-2019-12550

WAGO devices are affected by hardcoded default credentials, making them vulnerable to unauthorized access.

Vulnerability Description

The devices, including WAGO 852-303, 852-1305, and 852-1505, contain programmed default users and passwords that can be used to access them via SSH and TELNET.

Affected Systems and Versions

WAGO 852-303 prior to FW06
WAGO 852-1305 prior to FW06
WAGO 852-1505 prior to FW03

Exploitation Mechanism

Attackers can exploit the hardcoded default credentials to gain unauthorized access to the affected WAGO devices.

Mitigation and Prevention

It is crucial to take immediate steps to secure the vulnerable devices and implement long-term security practices to prevent unauthorized access.

Immediate Steps to Take

Change default credentials on WAGO devices immediately
Restrict SSH and TELNET access to trusted networks
Monitor network traffic for any suspicious activity

Long-Term Security Practices

Implement strong password policies and regular password changes
Conduct security audits and vulnerability assessments regularly

Patching and Updates

Apply firmware updates provided by WAGO to address the hardcoded default credentials vulnerability