CVE-2019-1600 : What You Need to Know

A security issue has been identified in Cisco FXOS Software and Cisco NX-OS Software that could potentially enable a local attacker with authenticated access to the system to gain unauthorized access to sensitive information stored in the file system.

Understanding CVE-2019-1600

This CVE involves a vulnerability in the file system permissions of Cisco FXOS Software and Cisco NX-OS Software, allowing an attacker to access sensitive information stored in the file system.

What is CVE-2019-1600?

The vulnerability arises from improper implementation of file system permissions, enabling an attacker to access and modify restricted files, potentially leading to unauthorized access to critical data.

The Impact of CVE-2019-1600

If successfully exploited, the attacker can gain unauthorized access to critical and sensitive files, posing a significant risk to the affected systems.

Technical Details of CVE-2019-1600

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability in Cisco FXOS Software and Cisco NX-OS Software allows an authenticated, local attacker to access sensitive information stored in the file system due to improper file system permissions implementation.

Affected Systems and Versions

The following Cisco products and versions are affected:

Firepower 4100 Series Next-Generation Firewalls
Firepower 9300 Series Next-Generation Firewalls
MDS 9000 Series Multilayer Switches
Nexus 3000 Series Switches
Nexus 3500 Platform Switches
Nexus 3600 Platform Switches
Nexus 2000, 5500, 5600, and 6000 Series Switches
Nexus 7000 and 7700 Series Switches
Nexus 9000 Series Switches-Standalone
Nexus 9500 R-Series Line Cards and Fabric Modules

Exploitation Mechanism

The attacker needs authenticated access to the system to exploit the vulnerability by accessing and modifying restricted files in the file system.

Mitigation and Prevention

Protect your systems from CVE-2019-1600 with the following steps:

Immediate Steps to Take

Apply vendor-supplied patches promptly
Monitor system logs for any unauthorized access
Restrict access to critical files and directories

Long-Term Security Practices

Regularly update and patch all software and firmware
Implement least privilege access controls
Conduct regular security audits and assessments

Patching and Updates

Ensure all affected systems are updated with the latest patches provided by Cisco to mitigate the vulnerability effectively.