CVE-2020-6760 : What You Need to Know

Schmid ZI 620 V400 VPN 090 routers are vulnerable to an OS command execution flaw that allows attackers to gain root access through SSH subcommand menu manipulation.

Understanding CVE-2020-6760

This CVE entry details a critical vulnerability in Schmid ZI 620 V400 VPN 090 routers that enables unauthorized users to execute commands as root.

What is CVE-2020-6760?

The CVE-2020-6760 vulnerability allows threat actors to run OS commands with elevated privileges by exploiting shell metacharacters in the SSH subcommand menu, as exemplified by the 'ping' command.

The Impact of CVE-2020-6760

This vulnerability poses a severe risk as it grants attackers the ability to execute arbitrary commands as the root user, potentially leading to complete system compromise and unauthorized access.

Technical Details of CVE-2020-6760

Schmid ZI 620 V400 VPN 090 routers are susceptible to a critical security issue that facilitates unauthorized command execution.

Vulnerability Description

The flaw in these routers permits threat actors to execute OS commands with root privileges by manipulating shell metacharacters within the SSH subcommand menu.

Affected Systems and Versions

Product: Schmid ZI 620 V400 VPN 090 routers
Vendor: N/A
Versions: N/A

Exploitation Mechanism

Attackers can exploit this vulnerability by inserting malicious shell metacharacters into an entry on the SSH subcommand menu, such as the 'ping' command.

Mitigation and Prevention

To safeguard systems from CVE-2020-6760, immediate actions and long-term security practices are crucial.

Immediate Steps to Take

Disable SSH access if not required
Implement strong password policies
Monitor network traffic for suspicious activities

Long-Term Security Practices

Regularly update router firmware
Conduct security audits and penetration testing
Educate users on secure SSH practices

Patching and Updates

Apply patches and security updates provided by the vendor to address the vulnerability