CVE-2021-30185 : What You Need to Know

CERN Indico before 2.3.4 allows the use of an attacker-supplied Host header in a password reset link, posing a security risk.

Understanding CVE-2021-30185

This CVE pertains to a specific vulnerability in CERN Indico software that could be exploited by an attacker through a malicious Host header in a password reset link.

What is CVE-2021-30185?

CVE-2021-30185 highlights a flaw in CERN Indico versions prior to 2.3.4 that could potentially lead to unauthorized access to user accounts via password reset links.

The Impact of CVE-2021-30185

This vulnerability could result in unauthorized individuals gaining access to user accounts by manipulating the Host header in password reset links, compromising data security and user privacy.

Technical Details of CVE-2021-30185

The technical details of CVE-2021-30185 include:

Vulnerability Description

The vulnerability allows threat actors to exploit an attacker-supplied Host header in password reset links, enabling unauthorized access to user accounts.

Affected Systems and Versions

CERN Indico versions before 2.3.4 are affected by this vulnerability, potentially impacting users relying on older software versions.

Exploitation Mechanism

By inserting a malicious Host header in a password reset link, attackers can trick the system into granting unauthorized access to user accounts, leading to potential data breaches.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-30185, consider the following steps:

Immediate Steps to Take

Update CERN Indico to version 2.3.4 or later to address the vulnerability and enhance security.

Long-Term Security Practices

Regularly monitor for software updates and security patches to protect against known vulnerabilities.
Educate users on secure password practices to prevent unauthorized access to accounts.

Patching and Updates

Apply patches and updates promptly to ensure the latest security features are in place and mitigate potential risks.