CVE-2021-36294 : Exploit Details and Defense Strategies

Dell VNX2 OE for File versions 8.1.21.266 and earlier contain an authentication bypass vulnerability allowing remote attackers to forge a cookie and login as any user.

Understanding CVE-2021-36294

This CVE affects Dell's VNX Control Station, potentially enabling unauthorized access via an authentication bypass vulnerability.

What is CVE-2021-36294?

The CVE-2021-36294 vulnerability resides in Dell VNX2 OE for File versions 8.1.21.266 and earlier, facilitating attackers to impersonate any user by manipulating cookies for unauthorized access.

The Impact of CVE-2021-36294

With a base severity score of 9.8, classified as 'Critical', this vulnerability poses a high risk to confidentiality, integrity, and availability of affected systems.

Technical Details of CVE-2021-36294

The vulnerability allows remote unauthenticated attackers to exploit an authentication bypass issue by manipulating cookies and log in as any user.

Vulnerability Description

The flaw in Dell VNX2 OE for File versions 8.1.21.266 and earlier permits attackers to forge cookies for unauthorized access.

Affected Systems and Versions

The affected product is Dell VNX Control Station with unspecified versions up to 8.1.21.266.

Exploitation Mechanism

A remote attacker can exploit this vulnerability by crafting a malicious cookie to gain unauthorized access and potentially compromise sensitive data.

Mitigation and Prevention

To safeguard systems from CVE-2021-36294, immediate actions and long-term security practices are crucial.

Immediate Steps to Take

Implement security updates and patches provided by Dell to remediate the authentication bypass vulnerability.

Long-Term Security Practices

Enforce strict access controls, monitor user activities, and conduct regular security audits to prevent unauthorized access.

Patching and Updates

Regularly update Dell VNX2 OE for File versions to patched releases to mitigate the risk of unauthorized access and secure sensitive data.