What’s Vulnerable › Vulnerabilities

CVE-2023-26246

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-04-27 · updated 2026-06-17
• Weakness: CWE-269

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.

Affected products

• Hyundai Gen5W L Firmware: ae_e_pe_eur.s5w_l001.001.211214

References

• https://sowhat.iit.cnr.it
• https://sowhat.iit.cnr.it:8443/can-work/chimaera
• https://sowhat.iit.cnr.it:8443/can-work/chimaera/-/blob/main/Report/IIT-01-2023.pdf
• https://sowhat.iit.cnr.it
• https://sowhat.iit.cnr.it:8443/can-work/chimaera
• https://sowhat.iit.cnr.it:8443/can-work/chimaera/-/blob/main/Report/IIT-01-2023.pdf

Get alerted when CVE-2023-26246 or the next vulnerability affects your stack