CVE-2021-31216 Explained : Impact and Mitigation

Siren Investigate before 11.1.1 is impacted by a server-side request forgery (SSRF) vulnerability in the default enabled image proxy route. This flaw allows an attacker to fetch external URLs via the Investigate host.

Understanding CVE-2021-31216

This section provides insights into the nature and implications of the vulnerability.

What is CVE-2021-31216?

The SSRF flaw in Siren Investigate before version 11.1.1 enables attackers to manipulate image proxy route parameters, leading to unauthorized data retrieval.

The Impact of CVE-2021-31216

The vulnerability enables threat actors to exploit the image proxy route, compromising the confidentiality and integrity of fetched data.

Technical Details of CVE-2021-31216

Explore the specific technical aspects of the vulnerability below.

Vulnerability Description

Siren Investigate's SSRF vulnerability allows attackers to fetch external URLs by manipulating image proxy route parameters, posing a serious security risk.

Affected Systems and Versions

All versions of Siren Investigate before 11.1.1 are susceptible to this SSRF vulnerability, indicating a significant security concern for users.

Exploitation Mechanism

Attackers can leverage the SSRF defect in the image proxy route to bypass security restrictions and retrieve sensitive external data.

Mitigation and Prevention

Discover effective strategies to mitigate the risks associated with CVE-2021-31216.

Immediate Steps to Take

Users are advised to update Siren Investigate to version 11.1.1 or above to eliminate the SSRF vulnerability and enhance overall system security.

Long-Term Security Practices

Implementing robust security measures, such as network segmentation and access control, can bolster defenses against SSRF attacks and similar threats.

Patching and Updates

Regularly applying security patches and staying informed about software updates is crucial for safeguarding systems against evolving security risks.