The Really Simple Security plugins for WordPress, including Free, Pro, and Pro Multisite versions, have been identified with a critical vulnerability (CVE-2024-10924). The vulnerability, rated with a CVSS score of 9.8, enables unauthenticated attackers to bypass authentication mechanisms. This flaw arises from improper user check error handling in the two-factor authentication REST API actions, specifically within the 'check_login_and_get_user' function. As a result, attackers can log in as any existing user, including administrators, particularly when the two-factor authentication feature is enabled.
Given the severity of this vulnerability, organizations utilizing the affected plugins must prioritize immediate remediation efforts. The risk to organizations includes potential unauthorized access to sensitive administration functionalities, which can lead to severe security breaches. Organizations should address this vulnerability in their priority patch cycle to mitigate the risks associated with unauthorized access and potential exploitation.
The vulnerability was published on November 15, 2024, and affects all versions of the Really Simple Security plugin from 9.0.0 to 9.1.1.1. It is essential for users to upgrade to the latest version to ensure their WordPress installations are secure. This vulnerability is particularly dangerous due to its exploitation status, which has already been confirmed with available exploits in the wild.
In conclusion, organizations using the Really Simple Security plugins must take immediate action to patch this vulnerability. Organizations should prioritize patching immediately to protect their systems from potential unauthorized access and exploitation.
Vulnerability Details
CVE-2024-10924 is classified as a critical vulnerability due to its high CVSS score of 9.8. This vulnerability allows unauthenticated attackers to bypass authentication in the Really Simple Security plugins for WordPress. The improper handling of user checks in the two-factor authentication REST API actions enables these attackers to log in as any existing user on the site, including administrators, when the two-factor authentication setting is enabled.
The affected versions include 9.0.0 to 9.1.1.1, and the vulnerability is associated with CWE-288 and CWE-306. Organizations are strongly advised to review their systems and apply the necessary patches to mitigate this risk.
Technical Analysis
The root cause of CVE-2024-10924 stems from improper error handling during user authentication checks within the two-factor authentication system implemented in the Really Simple Security plugins. The vulnerability can be exploited through a network attack vector, with low attack complexity and no privileges required for exploitation. User interaction is not required, making it easier for attackers to exploit this vulnerability.
The impacts are severe, as the vulnerability affects confidentiality, integrity, and availability, all rated as high. Attackers can gain unauthorized access to sensitive administrative functions, potentially leading to data breaches or further exploitation.
Risk & Impact Analysis
The real-world risk associated with CVE-2024-10924 is substantial, especially for organizations that rely on the Really Simple Security plugins for WordPress. The potential for unauthorized access to administrative functions poses a significant threat. Attackers leveraging this vulnerability could access sensitive information, modify site content, or install malicious plugins.
Given the vulnerability's high CVSS score and confirmed exploitability, organizations should assess their exposure and prioritize remediation efforts. The urgency for addressing this vulnerability is critical, and organizations should prioritize patching immediately.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | Yes |
Public PoC | Yes |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
This vulnerability affects the Really Simple Security plugin versions 9.0.0 to 9.1.1.1. Organizations should ensure they are using versions that have patched this vulnerability.
Mitigation & Remediation
Organizations should immediately update the Really Simple Security plugins to the latest version to mitigate the vulnerability. If immediate patching is not possible, it is recommended to disable the two-factor authentication feature as a temporary workaround. Regularly review and audit user access rights and monitor for any suspicious activity. For ongoing protection, organizations should consider implementing penetration testing to identify and remediate potential vulnerabilities.
Detection Guidance
Organizations should monitor logs for unusual login attempts, especially those that may indicate exploitation of this vulnerability. Behavioral anomalies such as multiple failed login attempts from the same IP address should be flagged for review. Additionally, network signatures indicative of unauthorized access attempts should be implemented to strengthen detection capabilities.
AppSecure Threat Intelligence Insight
CVE-2024-10924 represents a significant threat to WordPress installations using the Really Simple Security plugins. This vulnerability highlights the importance of robust error handling in authentication processes. Security teams must learn from this incident to strengthen their defenses, focusing on regular updates and comprehensive testing of security features.
This case underscores the need for ongoing vigilance in vulnerability management. Organizations should integrate vulnerability assessments into their security strategy and consider adopting solutions for application security assessments to proactively identify and address potential weaknesses.
To enhance security posture, organizations should also engage in offensive security testing to uncover vulnerabilities before they can be exploited.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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