CVE-2018-11741 Explained : Impact and Mitigation

This CVE-2018-11741 article provides insights into a security issue affecting NEC Univerge Sv9100 WebPro 6.00.00 devices, leading to the disclosure of account information through predictable session IDs.

Understanding CVE-2018-11741

What is CVE-2018-11741?

CVE-2018-11741 is a vulnerability in NEC Univerge Sv9100 WebPro 6.00.00 devices that allows attackers to access account information via predictable session IDs.

The Impact of CVE-2018-11741

The vulnerability exposes sensitive account details, posing a risk of unauthorized access and potential data breaches.

Technical Details of CVE-2018-11741

Vulnerability Description

The issue arises from predictable session IDs used in Home.htm?sessionId=#####&GOTO(8) URIs, enabling attackers to retrieve account information.

Affected Systems and Versions

Product: NEC Univerge Sv9100 WebPro 6.00.00
Vendor: NEC
Version: 6.00.00

Exploitation Mechanism

Attackers exploit the predictable session IDs to craft URLs that disclose account details, compromising system security.

Mitigation and Prevention

Immediate Steps to Take

Disable or restrict access to the vulnerable application.
Implement strong, random session ID generation.
Monitor and analyze network traffic for suspicious activities.

Long-Term Security Practices

Regularly update and patch the system to address vulnerabilities.
Conduct security audits and penetration testing to identify and remediate weaknesses.

Patching and Updates

Apply patches and updates provided by NEC to eliminate the vulnerability and enhance system security.