CVE-2018-20390 : What You Need to Know

Remote attackers can discover credentials on Kaonmedia CG2001-AN22A 1.2.1, CG2001-UDBNA 3.0.8, and CG2001-UN2NA 3.0.8 devices by sending SNMP requests with specific parameters.

Understanding CVE-2018-20390

This CVE involves the exposure of credentials on certain Kaonmedia devices through SNMP requests.

What is CVE-2018-20390?

CVE-2018-20390 allows remote attackers to uncover credentials on Kaonmedia CG2001-AN22A 1.2.1, CG2001-UDBNA 3.0.8, and CG2001-UN2NA 3.0.8 devices by utilizing specific SNMP request parameters.

The Impact of CVE-2018-20390

The vulnerability enables unauthorized individuals to access sensitive credentials, posing a significant security risk to affected devices.

Technical Details of CVE-2018-20390

This section delves into the technical aspects of the CVE.

Vulnerability Description

Attackers can exploit SNMP requests to reveal credentials on the mentioned Kaonmedia devices.

Affected Systems and Versions

Kaonmedia CG2001-AN22A 1.2.1
Kaonmedia CG2001-UDBNA 3.0.8
Kaonmedia CG2001-UN2NA 3.0.8

Exploitation Mechanism

By sending SNMP requests with specific parameters, attackers can extract credentials from the vulnerable devices.

Mitigation and Prevention

Protecting against CVE-2018-20390 requires immediate actions and long-term security measures.

Immediate Steps to Take

Disable SNMP if not essential for device operation
Implement firewall rules to restrict SNMP access
Regularly monitor SNMP activity for anomalies

Long-Term Security Practices

Conduct regular security assessments and audits
Keep devices and software up to date with security patches
Train personnel on best security practices

Patching and Updates

Ensure that the affected Kaonmedia devices are updated with the latest firmware patches to mitigate the vulnerability.