CVE-2017-4989 : Exploit Details and Defense Strategies

EMC Avamar Server Software versions 7.3.1-125, 7.3.0-233, 7.3.0-226, 7.2.1-32, 7.2.1-31, and 7.2.0-401 are vulnerable to unauthorized access by a remote attacker, potentially leading to a security breach.

Understanding CVE-2017-4989

This CVE involves a Server Authentication Bypass Vulnerability in EMC Avamar Server Software.

What is CVE-2017-4989?

The vulnerability allows an unauthenticated remote attacker to bypass the authentication process and access the system maintenance page.
Attackers can exploit this weakness to view sensitive data, perform software updates, or execute maintenance workflows.

The Impact of CVE-2017-4989

Unauthorized access to system maintenance page
Potential exposure of confidential information
Ability to carry out unauthorized software updates
Execution of maintenance workflows

Technical Details of CVE-2017-4989

This section provides detailed technical information about the vulnerability.

Vulnerability Description

Server Authentication Bypass Vulnerability in EMC Avamar Server Software

Affected Systems and Versions

EMC Avamar Server Software versions 7.3.1-125, 7.3.0-233, 7.3.0-226, 7.2.1-32, 7.2.1-31, 7.2.0-401

Exploitation Mechanism

Remote attackers can exploit the vulnerability to bypass authentication and gain unauthorized access to the system maintenance page.

Mitigation and Prevention

Protect your systems from CVE-2017-4989 with these mitigation strategies.

Immediate Steps to Take

Apply security patches provided by the vendor
Monitor system logs for any suspicious activities
Implement network segmentation to limit access

Long-Term Security Practices

Conduct regular security audits and assessments
Train employees on cybersecurity best practices
Keep software and systems up to date

Patching and Updates

Regularly check for security updates and patches from EMC Avamar Server Software vendor