CVE-2018-3775 : What You Need to Know

A vulnerability in Nextcloud Server versions prior to 12.0.3 allows attackers with user credentials to bypass 2 Factor Authentication.

Understanding CVE-2018-3775

This CVE involves an improper authentication issue in Nextcloud Server.

What is CVE-2018-3775?

An attacker with user credentials can exploit this vulnerability to circumvent 2 Factor Authentication in Nextcloud Server versions below 12.0.3.

The Impact of CVE-2018-3775

Attackers can bypass security measures and potentially gain unauthorized access to sensitive information.

Technical Details of CVE-2018-3775

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability allows attackers to bypass 2 Factor Authentication by leveraging user credentials.

Affected Systems and Versions

Product: Nextcloud Server
Vendor: HackerOne
Affected Versions: <12.0.3

Exploitation Mechanism

Attackers exploit acquired user credentials to bypass 2 Factor Authentication.

Mitigation and Prevention

Protecting systems from CVE-2018-3775 is crucial.

Immediate Steps to Take

Upgrade Nextcloud Server to version 12.0.3 or higher to mitigate the vulnerability.
Enforce strong password policies and educate users on secure authentication practices.

Long-Term Security Practices

Implement multi-factor authentication to add an extra layer of security.
Regularly monitor and audit user activities to detect any suspicious behavior.

Patching and Updates

Stay informed about security advisories and promptly apply patches and updates to ensure system security.