CVE-2023-26246
7.8 · HIGHOverview
CVE-2023-26246 is a high-severity vulnerability affecting hyundai gen5w_l_firmware. It was published on April 27, 2023 and has a CVSS 3.1 base score of 7.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
An issue was discovered in the Hyundai Gen5W_L in-vehicle infotainment system AE_E_PE_EUR.S5W_L001.001.211214. The AppUpgrade binary file, which is used during the firmware installation process, can be modified by an attacker to bypass the digital signature check. This indirectly allows an attacker to install custom firmware in the IVI system.
Remediation
Check the references section for vendor advisories and patches from hyundai. Update gen5w_l_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|
References
Frequently Asked Questions
What is CVE-2023-26246?
CVE-2023-26246 is a high-severity vulnerability affecting hyundai gen5w_l_firmware. It was published on April 27, 2023 and has a CVSS 3.1 base score of 7.8 (HIGH).
How severe is CVE-2023-26246?
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2023-26246?
Check the references section for vendor advisories and patches from hyundai. Update gen5w_l_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2023-26246?
CyberStrike's AI-powered security agents can automatically detect CVE-2023-26246 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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