CVE-2019-1587 : Vulnerability Insights and Analysis

Cisco Nexus 9000 Series Fabric Switches Application Centric Infrastructure Mode Filter Query Information Disclosure Vulnerability

Understanding CVE-2019-1587

This CVE involves a vulnerability in Cisco Nexus 9000 Series Fabric Switches in Application Centric Infrastructure (ACI) mode that could allow a remote attacker to access sensitive information.

What is CVE-2019-1587?

The vulnerability arises due to the lack of proper input validation in the affected software, enabling an authenticated attacker to execute specific commands to manipulate query results and access confidential data.

The Impact of CVE-2019-1587

If successfully exploited, this vulnerability could lead to the disclosure of sensitive system information stored on the device, compromising data confidentiality.

Technical Details of CVE-2019-1587

Vulnerability Description

The vulnerability in Cisco Nexus 9000 Series Fabric Switches allows authenticated attackers to access sensitive data by manipulating query results due to inadequate input validation.

Affected Systems and Versions

Product: Cisco Application Policy Infrastructure Controller (APIC)
Vendor: Cisco
Versions Affected: Less than 4.2(0.33c)

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: Low
User Interaction: None
CVSS Base Score: 4.3 (Medium Severity)

Mitigation and Prevention

Immediate Steps to Take

Apply vendor-provided patches or updates promptly.
Monitor network traffic for any suspicious activity.
Restrict network access to the affected systems.

Long-Term Security Practices

Regularly update and patch all software and firmware.
Conduct security training for employees on identifying and reporting potential security threats.

Patching and Updates

Refer to the vendor's security advisory for specific patch details and instructions.