CVE-2024-47406 is a critical vulnerability found in Sharp and Toshiba Tec multifunction printers (MFPs). This vulnerability allows an authentication bypass due to improper processing of HTTP authentication requests. The severity of this vulnerability is underscored by its CVSS score of 9.1, which highlights significant risks associated with exploitation.
Risk to organizations includes unauthorized access to sensitive information and potential disruption of services. The vulnerability's nature makes it especially concerning, as it can be exploited remotely with low complexity and without any required privileges or user interaction.
Organizations should prioritize patching immediately. The urgency stems from the fact that such vulnerabilities can lead to severe consequences if not addressed promptly.
This vulnerability affects several firmware versions of MFPs from both Sharp and Toshiba Tec, posing a widespread risk across multiple deployments.
Vulnerability Details
The official description for CVE-2024-47406 states that 'Sharp and Toshiba Tec MFPs improperly process HTTP authentication requests, resulting in an authentication bypass vulnerability.' This vulnerability is classified under CWE-288 and CWE-306, indicating issues with improper input validation and authentication.
With a CVSS score of 9.1, the critical severity indicates a high likelihood of exploitation, particularly considering the low attack complexity and lack of required privileges. The vulnerability was published on October 25, 2024.
Technical Analysis
The root cause of CVE-2024-47406 lies in the way Sharp and Toshiba Tec MFPs handle HTTP authentication requests. Attackers may leverage this improper processing to bypass authentication mechanisms. The attack vector is network-based, allowing for remote exploitation.
The attack complexity is classified as low, meaning that even attackers with minimal skills can potentially exploit this vulnerability. No user interaction is required, which further increases the risk of exploitation.
In terms of impact, the confidentiality impact is rated as high, indicating that sensitive information could be accessed. The integrity impact is none, while the availability impact is high, suggesting that exploitation could lead to service disruptions.
Risk & Impact Analysis
The real-world deployment risk of CVE-2024-47406 is significant. Organizations utilizing affected Sharp and Toshiba Tec MFPs may find themselves vulnerable to unauthorized access and other malicious activities. The blast radius potential is substantial, as attackers could leverage this vulnerability to compromise sensitive data within organizations.
Given the critical severity and potential for exploitation, organizations must act swiftly. The urgency assessment is critical, as indicated by the CVSS score and the vulnerability's presence in the current threat landscape.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The affected versions include various firmware versions for MFPs from both Sharp and Toshiba Tec. All versions prior to vendor patch are vulnerable.
Mitigation & Remediation
To remediate CVE-2024-47406, organizations should update their MFPs to the latest firmware versions provided by the vendor. If a patch is not immediately available, organizations should consider implementing network segmentation and access controls to limit exposure.
Organizations should validate remediation through penetration testing to identify similar weaknesses.
Detection Guidance
To detect potential exploitation of CVE-2024-47406, organizations should monitor logs for unusual authentication requests and access patterns. Additionally, network signatures should be examined for indicators of compromise associated with this vulnerability.
AppSecure Threat Intelligence Insight
The long-term significance of CVE-2024-47406 highlights ongoing weaknesses in the security posture of multifunction printers. This vulnerability represents a pattern of inadequate authentication mechanisms in networked devices.
This incident serves as a reminder for security teams to prioritize assessments of all connected devices and ensure robust authentication practices are in place across all platforms.
Organizations can learn from this vulnerability by reviewing their existing security frameworks and enhancing defensive measures against similar authentication bypass vulnerabilities.
For comprehensive coverage, organizations should engage in penetration testing methodology and ensure continuous monitoring of their devices.
To further enhance security, organizations should consider implementing vulnerability management programs that address potential risks associated with networked devices.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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