CVE-2019-1675 : What You Need to Know

Cisco Aironet Active Sensor Static Credentials Vulnerability

Understanding CVE-2019-1675

This CVE involves a vulnerability in the default configuration of the Cisco Aironet Active Sensor that could allow unauthorized remote attackers to restart the sensor by exploiting a default local account with a fixed password.

What is CVE-2019-1675?

The vulnerability in Cisco Aironet Active Sensor allows attackers to initiate a restart of the sensor by exploiting a default local account with a fixed password. The attacker needs to guess the account name and password to gain access to the CLI.

The Impact of CVE-2019-1675

Attack Complexity: Low
Attack Vector: Network
Availability Impact: High
Base Score: 7.5 (High)
Privileges Required: None
Scope: Unchanged
User Interaction: None
Vector String: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE ID: CWE-798

Technical Details of CVE-2019-1675

The technical details of this CVE include:

Vulnerability Description

Presence of a default local account with a fixed password
Account allows only device reboot privileges

Affected Systems and Versions

Product: Cisco Aironet Active Sensor
Vendor: Cisco
Versions Affected: Less than DNAC1.2.8

Exploitation Mechanism

Attacker needs to correctly guess the account name and password
Access to the CLI is required to exploit the vulnerability

Mitigation and Prevention

Steps to address CVE-2019-1675:

Immediate Steps to Take

Change default account credentials
Implement strong password policies
Monitor device logs for unusual restart activities

Long-Term Security Practices

Regularly update and patch the system
Conduct security audits and assessments
Implement network segmentation and access controls

Patching and Updates

Apply patches provided by Cisco to fix the vulnerability