CVE-2021-40604 : Exploit Details and Defense Strategies

This CVE-2021-40604 article provides insights into a Server-Side Request Forgery (SSRF) vulnerability in IPS Community Suite before version 4.6.2.

Understanding CVE-2021-40604

This section delves into the nature and implications of the CVE-2021-40604 vulnerability.

What is CVE-2021-40604?

A Server-Side Request Forgery (SSRF) flaw in IPS Community Suite prior to 4.6.2 enables authenticated remote users to request arbitrary URLs or trigger deserialization via the phar protocol, potentially allowing unauthorized users to exploit it.

The Impact of CVE-2021-40604

The SSRF vulnerability poses significant security risks as it can be leveraged by remote authenticated users to manipulate class names dynamically, leading to unauthorized URL requests and deserialization, which may be exploited by unauthenticated users.

Technical Details of CVE-2021-40604

Explore the technical specifics and affected systems related to CVE-2021-40604.

Vulnerability Description

Type: Server-Side Request Forgery (SSRF)
CVE ID: CVE-2021-40604
Affected Version: IPS Community Suite before 4.6.2
Attack Vector: Remote

Affected Systems and Versions

Affected Product: IPS Community Suite
Vendor: N/A
Affected Versions: N/A

Exploitation Mechanism

Attack Vector: Authenticated remote users
Allows: Arbitrary URL requests, deserialization

Mitigation and Prevention

Learn about the steps to mitigate the CVE-2021-40604 vulnerability and enhance system security.

Immediate Steps to Take

Update IPS Community Suite to version 4.6.2 or later
Monitor and restrict network requests within the application
Implement firewall rules to block unauthorized URL requests

Long-Term Security Practices

Conduct regular security audits and penetration testing
Educate users on secure coding practices and the risks of SSRF

Patching and Updates

Stay informed about security patches and updates from IPS Community Suite
Apply vendor-recommended security configurations and best practices