CVE-2017-3811 Explained : Impact and Mitigation

A security flaw known as the XML External Entity vulnerability has been identified in Cisco WebEx Meetings Server. This vulnerability could potentially grant unauthorized access to certain data stored within the affected system. The attacker must already be authenticated and within the network to exploit this vulnerability. The affected releases are version 2.6, while the fixed releases are version 2.7.1.2054.

Understanding CVE-2017-3811

An XML External Entity vulnerability in Cisco WebEx Meetings Server could allow an authenticated, remote attacker to have read access to part of the information stored in the affected system.

What is CVE-2017-3811?

The CVE-2017-3811 vulnerability is an XML External Entity vulnerability in Cisco WebEx Meetings Server, potentially leading to unauthorized access to system data.

The Impact of CVE-2017-3811

Unauthorized access to sensitive data stored in the affected system
Requires the attacker to be authenticated and within the network

Technical Details of CVE-2017-3811

The technical details of the CVE-2017-3811 vulnerability in Cisco WebEx Meetings Server.

Vulnerability Description

Type: XML External Entity Vulnerability
Allows authenticated remote attackers to read part of the stored information

Affected Systems and Versions

Product: Cisco WebEx Meetings Server
Affected Version: 2.6
Fixed Version: 2.7.1.2054

Exploitation Mechanism

Attacker must be authenticated and within the network
Vulnerability grants read access to certain data

Mitigation and Prevention

Steps to mitigate and prevent the CVE-2017-3811 vulnerability.

Immediate Steps to Take

Update to the fixed release version 2.7.1.2054
Monitor network for any unauthorized access

Long-Term Security Practices

Regularly update software and security patches
Implement strong authentication measures

Patching and Updates

Apply patches and updates provided by Cisco