CVE-2021-46434 : Exploit Details and Defense Strategies
Discover the impact of CVE-2021-46434 affecting EMQ X Dashboard V3.0.0. Learn about the username enumeration flaw allowing attackers to identify valid usernames and steps for mitigation.
EMQ X Dashboard V3.0.0 is affected by username enumeration vulnerability that allows attackers to determine valid usernames.
Understanding CVE-2021-46434
What is CVE-2021-46434?
EMQ X Dashboard V3.0.0 is impacted by a username enumeration flaw in the "/api /v3/auth" interface, providing varying login responses based on account validity.
The Impact of CVE-2021-46434
The vulnerability enables attackers to verify the existence of a specific username, aiding potential targeted attacks.
Technical Details of CVE-2021-46434
Vulnerability Description
The issue lies in the Dashboard's login response behavior, leaking information that assists in identifying valid usernames.
Affected Systems and Versions
- Product: EMQ X Dashboard V3.0.0
- Vendor: n/a
- Versions: n/a
Exploitation Mechanism
Attackers can exploit the vulnerability by observing different responses during login attempts based on correct or incorrect usernames.
Mitigation and Prevention
Immediate Steps to Take
- Monitor login response behavior for anomalies and unusual patterns.
- Implement multifactor authentication to enhance security.
Long-Term Security Practices
- Conduct regular security assessments and penetration testing.
- Educate users on secure password practices to mitigate risks.
Patching and Updates
Apply patches or updates provided by EMQ X to address the username enumeration vulnerability.