CVE-2020-10102 : Vulnerability Insights and Analysis

Zammad 3.0 through 3.2 is affected by a vulnerability that allows an anonymous user to guess valid user emails, potentially leading to a brute force attack on user credentials.

Understanding CVE-2020-10102

This CVE identifies a security issue in Zammad versions 3.0 through 3.2 that could be exploited by attackers to guess valid user emails and launch a brute force attack.

What is CVE-2020-10102?

The Forgot Password feature in Zammad is implemented in a way that allows an anonymous user to determine valid user emails by observing the application's responses. This vulnerability could be leveraged in a two-stage automated attack scenario.

The Impact of CVE-2020-10102

The vulnerability could enable attackers to identify valid user accounts and potentially brute force their credentials, posing a significant security risk to affected systems.

Technical Details of CVE-2020-10102

Zammad 3.0 through 3.2 is susceptible to the following:

Vulnerability Description

The Forgot Password functionality in Zammad allows an anonymous user to discern valid user emails, facilitating a potential brute force attack on user accounts.

Affected Systems and Versions

Zammad versions 3.0 through 3.2

Exploitation Mechanism

Attackers can exploit the vulnerability by observing the application's responses to determine valid user emails and subsequently launch a brute force attack on user credentials.

Mitigation and Prevention

To address CVE-2020-10102, consider the following steps:

Immediate Steps to Take

Disable the Forgot Password functionality if not essential
Implement multi-factor authentication to enhance security

Long-Term Security Practices

Regularly update Zammad to the latest version
Conduct security audits to identify and address vulnerabilities

Patching and Updates

Apply patches provided by Zammad to fix the vulnerability and enhance system security