CVE-2022-2197 in RME1
Summary
by MITRE • 06/30/2022
By using a specific credential string, an attacker with network access to the device’s web interface could circumvent the authentication scheme and perform administrative operations.
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Analysis
by VulDB Data Team • 07/17/2022
This vulnerability represents a critical authentication bypass flaw that undermines the security posture of affected systems by allowing unauthorized administrative access through a specifically crafted credential string. The flaw exists within the web interface authentication mechanism, where the system fails to properly validate or sanitize input credentials, creating a pathway for malicious actors to escalate privileges without legitimate authorization. The vulnerability specifically targets the authentication scheme implementation, suggesting a weakness in credential validation logic that permits malformed or specially constructed credential strings to be accepted as valid administrative credentials.
The technical exploitation of this vulnerability follows a pattern consistent with credential stuffing and authentication bypass techniques, where attackers leverage knowledge of the system's authentication flow to craft inputs that bypass normal validation checks. This type of flaw typically stems from inadequate input sanitization and validation mechanisms, often related to improper handling of special characters or malformed credential strings within the authentication subsystem. The vulnerability's impact extends beyond simple unauthorized access, as it enables full administrative control over the affected device, potentially allowing attackers to modify system configurations, extract sensitive data, or establish persistent access points.
From an operational perspective, this vulnerability creates significant risk for organizations relying on web-based management interfaces for device administration. The attack vector requires only network access to the device's web interface, making it particularly dangerous as it can be exploited remotely without requiring physical access or complex initial compromise techniques. The vulnerability's exploitation aligns with attack patterns documented in the mitre attack framework under credential access and privilege escalation tactics, where attackers seek to obtain administrative privileges through various authentication bypass methods. Organizations may face severe consequences including data breaches, system compromise, and regulatory violations when such vulnerabilities remain unpatched.
The root cause of this vulnerability typically relates to improper input validation and insufficient credential handling procedures within the web interface authentication layer, often manifesting as weaknesses in the application's security architecture. This flaw demonstrates a failure in implementing proper access control mechanisms and authentication validation, which are fundamental requirements in cybersecurity frameworks such as the owasp top ten and nist cybersecurity framework. The vulnerability's classification aligns with common weakness enumeration cwe-287, which addresses improper authentication issues in software systems. Organizations should implement comprehensive security controls including regular authentication scheme reviews, input validation improvements, and robust monitoring of administrative access attempts to mitigate the risk of similar vulnerabilities. Patch management processes must prioritize such authentication bypass vulnerabilities due to their potential for severe operational impact and the relatively straightforward nature of their exploitation.