CVE-2020-8233 : Security Advisory and Response

A command injection vulnerability in EdgeSwitch firmware v1.9.0 and prior allowed authenticated read-only users to execute arbitrary shell commands, potentially escalating privileges.

Understanding CVE-2020-8233

This CVE involves a security issue in EdgeSwitch firmware versions prior to v1.9.1, enabling unauthorized command execution.

What is CVE-2020-8233?

The vulnerability in EdgeSwitch firmware <v1.9.0 permitted authenticated read-only users to run arbitrary shell commands via the HTTP interface, leading to potential privilege escalation.

The Impact of CVE-2020-8233

The vulnerability could be exploited by attackers with limited access to the system, allowing them to execute unauthorized commands and potentially gain elevated privileges.

Technical Details of CVE-2020-8233

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

A command injection flaw in EdgeSwitch firmware <v1.9.0 enabled authenticated read-only users to execute arbitrary shell commands, posing a significant security risk.

Affected Systems and Versions

Product: EdgeSwitch firmware v1.9.0 and prior
Fixed Version: EdgeSwitch firmware v1.9.1

Exploitation Mechanism

The vulnerability could be exploited by authenticated read-only users leveraging the HTTP interface to inject and execute unauthorized shell commands.

Mitigation and Prevention

Protecting systems from CVE-2020-8233 requires immediate actions and long-term security measures.

Immediate Steps to Take

Update affected systems to the fixed version, EdgeSwitch firmware v1.9.1
Restrict access to the HTTP interface to authorized personnel only
Monitor system logs for any suspicious activities

Long-Term Security Practices

Regularly review and update firmware to address security vulnerabilities
Implement strong authentication mechanisms to control user access
Conduct security training for users to recognize and report suspicious activities
Employ network segmentation to limit the impact of potential breaches

Patching and Updates

Regularly check for security advisories and updates from the vendor
Apply patches promptly to address known vulnerabilities and enhance system security