CVE-2020-27687 : Vulnerability Insights and Analysis

ThingsBoard before v3.2 is vulnerable to Host header injection in password-reset emails. This allows attackers to send malicious links in password-reset emails to victims, directing them to an attacker-controlled server due to the lack of Host header validation.

Understanding CVE-2020-27687

This CVE identifies a vulnerability in ThingsBoard that can be exploited through password-reset emails.

What is CVE-2020-27687?

Host header injection vulnerability in password-reset emails of ThingsBoard before v3.2 allows attackers to manipulate email content and direct victims to malicious sites.

The Impact of CVE-2020-27687

The vulnerability enables attackers to deceive users into visiting malicious websites, potentially leading to further exploitation of sensitive information.

Technical Details of CVE-2020-27687

This section provides technical insights into the vulnerability.

Vulnerability Description

Host header injection in password-reset emails of ThingsBoard before v3.2 permits attackers to craft malicious links.

Affected Systems and Versions

Product: ThingsBoard
Vendor: N/A
Versions affected: N/A

Exploitation Mechanism

Attackers exploit the lack of Host header validation in password-reset emails to insert malicious links.

Mitigation and Prevention

Protective measures to address the CVE-2020-27687 vulnerability.

Immediate Steps to Take

Upgrade ThingsBoard to version 3.2 or newer to mitigate the vulnerability.
Implement email content validation to detect and block malicious links.

Long-Term Security Practices

Regularly update and patch ThingsBoard to address security vulnerabilities.
Educate users on identifying and avoiding phishing emails to prevent exploitation.

Patching and Updates

Apply security patches promptly to ensure the system is protected against known vulnerabilities.