The keyfob subsystem in Honda Civic 2012 vehicles allows a replay attack for unlocking. This vulnerability is related to a non-expiring rolling code and counter resynchronization, which could allow unauthorized access to the vehicle. With a CVSS score of 5.3, this vulnerability is classified as medium severity, indicating a moderate risk to affected systems.
Risk to organizations includes potential vehicle theft or unauthorized access, highlighting the importance of addressing this issue. As this vulnerability is exploitable in adjacent network scenarios with high attack complexity, it is crucial for vehicle owners and manufacturers to take necessary precautions.
Organizations should prioritize patching immediately to mitigate the risks associated with this vulnerability. Monitoring and response strategies should be implemented to address any potential exploitation attempts.
The vulnerability was published on January 6, 2022, and remains relevant today, particularly given the increasing sophistication of attacks targeting vehicle systems.
Vulnerability Details
According to the official CVE description, the keyfob subsystem allows a replay attack for unlocking Honda Civic 2012 vehicles. This vulnerability falls under the CWE-294 category, indicating a potential issue with access control. The CVSS score of 5.3 reflects the medium severity of this vulnerability, which allows attackers to exploit the system without requiring authentication.
The affected product is the Honda Civic 2012, and the vulnerability remains unpatched as of the latest update. Organizations operating with this vehicle model should take immediate action to safeguard against potential exploits.
Technical Analysis
The root cause of this vulnerability stems from the design of the keyfob subsystem, which utilizes a non-expiring rolling code mechanism. This flaw allows attackers to capture and replay the code, effectively unlocking the vehicle without authorization.
The attack vector is classified as adjacent network, requiring proximity to the target vehicle to exploit the vulnerability. The attack complexity is high, necessitating a sophisticated understanding of the keyfob system and its operations.
No user interaction is required for the attack, and the attacker does not need any privileges to execute the exploit. The vulnerability has a high integrity impact, allowing unauthorized access to the vehicle while maintaining confidentiality and availability.
Risk & Impact Analysis
Real-world deployment risk is significant due to the nature of the vulnerability. Attackers may leverage this flaw to unlock vehicles, leading to theft and unauthorized access. The blast radius is particularly concerning, as a successful exploit can affect multiple vehicles within proximity, especially in urban settings.
Organizations should assess their exposure to this vulnerability and implement immediate patching and mitigation strategies. The urgency for remediation is underscored by the vulnerability's potential for exploitation and the implications it poses for vehicle security.
As of now, the vulnerability is not included in the KEV catalog, although it has been identified as exploitable. Therefore, organizations should remain vigilant and monitor for any signs of exploitation.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | Yes |
Public PoC | Yes |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The affected products include Honda Civic 2012. If specific version information is not available, it is advisable to consider all versions prior to vendor patch.
Mitigation & Remediation
Organizations should implement the following measures to mitigate the vulnerability: apply available patches and updates, and consider configuration hardening to reduce the risk of exploit. If a patch is unavailable, organizations should enforce network controls and monitor for unauthorized access attempts.
For comprehensive security assessments, organizations may consider utilizing application security assessments to identify potential weaknesses in their systems.
Detection Guidance
Organizations should monitor logs for unusual access patterns, particularly during vehicle entry attempts. Behavioral anomalies, such as repeated unlock attempts without authorization, should be flagged for further investigation. Additionally, network signatures indicative of replay attacks should be established for proactive detection.
AppSecure Threat Intelligence Insight
The long-term significance of this vulnerability lies in its potential to highlight security gaps in keyfob systems across various vehicle models. The pattern of vulnerabilities in automotive systems calls for heightened scrutiny and proactive measures from manufacturers and vehicle owners alike.
As more vehicles become integrated with advanced technology, security teams must adapt their strategies to address emerging threats. Regular security assessments and a focus on preventive measures are essential in safeguarding against similar vulnerabilities.
For further insights, organizations can explore penetration testing methodologies and best practices to enhance their security postures.
Additionally, engaging in vulnerability management programs can provide organizations with a structured approach to identifying and addressing security weaknesses.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

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