CVE-2015-2881 in Gynoii
Summary
by MITRE
Gynoii has a password of guest for the backdoor guest account and a password of 12345 for the backdoor admin account.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Analysis
by VulDB Data Team • 08/27/2020
The vulnerability described in CVE-2015-2881 represents a critical security flaw in the Gynoii system that exposes unauthorized administrative access through well-known default credentials. This weakness falls under the category of insecure default credentials, a common yet severe vulnerability pattern that has been consistently documented in various security frameworks including CWE-798 and CWE-259. The presence of hardcoded passwords for backdoor accounts indicates a fundamental failure in secure configuration management and authentication design principles.
The technical implementation of this vulnerability involves the system's use of predictable and easily guessable passwords for administrative access points. The guest account utilizes the password "guest" while the admin account employs "12345" as its credential. This configuration creates an immediate and severe security risk as these passwords are among the most commonly used and easily discovered credential combinations in cybersecurity threat intelligence databases. The vulnerability demonstrates poor security hygiene and violates fundamental principles of least privilege and secure default configuration as outlined in security standards such as NIST SP 800-53.
The operational impact of this vulnerability is substantial and potentially catastrophic for affected systems. An attacker with knowledge of these default credentials can immediately gain unauthorized access to administrative functions, potentially leading to complete system compromise, data exfiltration, privilege escalation, and persistent access. This vulnerability can be exploited by any attacker with basic knowledge of common default credentials, making it particularly dangerous in environments where systems are not properly secured or updated. The risk is amplified in networked environments where such systems may be exposed to the internet or accessible to unauthorized users.
Mitigation strategies for this vulnerability require immediate action to address the root cause of insecure default credentials. Organizations should implement mandatory credential changes upon system installation, enforce strong password policies, and ensure that all default accounts are either disabled or have complex, randomly generated passwords. The implementation of multi-factor authentication and regular security audits can further reduce the risk associated with credential-based attacks. According to ATT&CK framework, this vulnerability maps to T1078 for valid accounts and T1566 for social engineering techniques that exploit predictable credential patterns, highlighting the need for comprehensive defensive measures. Regular security assessments and vulnerability scanning should be conducted to identify and remediate similar insecure configurations across all system components.