CVE-2021-45035 : What You Need to Know

Velneo vClient on its 28.1.3 version has an authentication vulnerability that could lead to a Man-in-the-Middle (MITM) attack.

Understanding CVE-2021-45035

Velneo vClient 28.1.3 lacks proper certificate authentication, allowing potential credential theft via MITM.

What is CVE-2021-45035?

Velneo vClient version 28.1.3 does not adequately verify authenticity certificates, exposing users to MITM attacks.

The Impact of CVE-2021-45035

CVSS Score: 6.3 (Medium Severity)
Attack Vector: Adjacent Network
Confidentiality Impact: High
Integrity Impact: Low
This vulnerability could result in attackers intercepting user credentials through MITM attacks.

Technical Details of CVE-2021-45035

Velneo vClient 28.1.3 vulnerability technical specifics.

Vulnerability Description

Authentication check bypass in Velneo vClient 28.1.3 exposes users to MITM risks.

Affected Systems and Versions

Product: Velneo vClient
Version: 28.1.3

Exploitation Mechanism

Attack Complexity: Low
Privileges Required: None
User Interaction: Required
Scope: Unchanged
Exploitation involves intercepting user credentials through network access without proper certificate verification.

Mitigation and Prevention

Steps to secure systems and mitigate the CVE-2021-45035 vulnerability.

Immediate Steps to Take

Update Velneo vClient to version 29.2 released on 29/06/2021.
Verify and enforce proper certificate validation during authentication processes.

Long-Term Security Practices

Conduct regular security audits to identify and address authentication vulnerabilities.
Educate users about MITM risks and safe network practices.

Patching and Updates

Apply patches and updates promptly to prevent potential MITM attacks in the future.