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CVE-2019-1610 : What You Need to Know

Learn about CVE-2019-1610, a vulnerability in Cisco NX-OS Software allowing local attackers to execute arbitrary commands. Find mitigation steps and impacted systems here.

Cisco NX-OS Software CLI Command Injection Vulnerability (CVE-2019-1610) was published on March 6, 2019. The vulnerability allows a local attacker with authenticated access to execute arbitrary commands on the underlying operating system of affected devices.

Understanding CVE-2019-1610

This CVE involves a flaw in the CLI of Cisco NX-OS Software that permits attackers to execute unauthorized commands.

What is CVE-2019-1610?

The vulnerability in Cisco NX-OS Software allows local attackers with authenticated access to run arbitrary commands on the device's operating system by exploiting insufficient validation of CLI command arguments.

The Impact of CVE-2019-1610

Successful exploitation could lead to executing unauthorized commands with elevated privileges on the underlying operating system. However, the attacker needs valid administrator credentials to exploit this flaw.

Technical Details of CVE-2019-1610

This section provides more in-depth technical information about the vulnerability.

Vulnerability Description

The flaw in Cisco NX-OS Software CLI allows local attackers to execute arbitrary commands on the device's operating system due to inadequate validation of CLI command arguments.

Affected Systems and Versions

        Nexus 3500 Platform Switches and Nexus 3000 Series Switches software versions prior to 7.0(3)I7(4) are affected.

Exploitation Mechanism

        Attack Complexity: Low
        Attack Vector: Local
        Privileges Required: High
        User Interaction: None
        CVSS Base Score: 4.2 (Medium Severity)

Mitigation and Prevention

Protecting systems from CVE-2019-1610 requires immediate actions and long-term security practices.

Immediate Steps to Take

        Apply vendor-provided patches promptly.
        Monitor network traffic for signs of exploitation.
        Restrict access to administrative privileges.

Long-Term Security Practices

        Regularly update and patch software and firmware.
        Implement strong password policies and multi-factor authentication.
        Conduct security training for staff to recognize and report suspicious activities.

Patching and Updates

        Cisco has released patches to address this vulnerability. Ensure all affected systems are updated with the latest software versions.

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