CVE-2020-11625 : What You Need to Know
Discover the security flaw in AvertX cameras (HD838 and HD438) allowing attackers to identify valid usernames, facilitating brute-force attacks. Learn how to mitigate the risk.
A security vulnerability was found in AvertX Auto focus Night Vision HD Indoor/Outdoor IP Dome Camera HD838 and Night Vision HD Indoor/Outdoor Mini IP Bullet Camera HD438, allowing attackers to enumerate legitimate usernames through failed login attempts.
Understanding CVE-2020-11625
What is CVE-2020-11625?
The vulnerability in AvertX cameras allows attackers to identify valid usernames through different responses to login attempts, aiding in brute-force attacks.
The Impact of CVE-2020-11625
The vulnerability enables attackers to enumerate legitimate usernames, making it easier to launch targeted brute-force attacks.
Technical Details of CVE-2020-11625
Vulnerability Description
- Failed login attempts provide different responses based on the existence of a user account, aiding in username enumeration.
Affected Systems and Versions
- AvertX Auto focus Night Vision HD Indoor/Outdoor IP Dome Camera HD838
- Night Vision HD Indoor/Outdoor Mini IP Bullet Camera HD438
Exploitation Mechanism
- Attackers can send login requests to ISAPI/Security/sessionLogin/capabilities to determine the validity of usernames.
Mitigation and Prevention
Immediate Steps to Take
- Implement strong password policies and account lockout mechanisms.
- Monitor login attempts for unusual patterns.
Long-Term Security Practices
- Regularly update camera firmware to patch security vulnerabilities.
- Conduct security assessments to identify and address potential weaknesses.
Patching and Updates
- Apply patches provided by AvertX to address the vulnerability.