CVE-2023-39373 : Security Advisory and Response
Learn about CVE-2023-39373 affecting Hyundai model (2017) with an Authentication Bypass by Capture-replay vulnerability. Discover impact, technical details, and mitigation steps.
A Hyundai model (2017) - CWE-294: Authentication Bypass by Capture-replay has been identified as CVE-2023-39373. This vulnerability has a CVSS base score of 7.4, categorizing it as high severity. Read on to understand the impact, technical details, and mitigation steps related to this CVE.
Understanding CVE-2023-39373
This section dives into the specifics of the CVE-2023-39373 vulnerability affecting Hyundai car models.
What is CVE-2023-39373?
CVE-2023-39373 refers to an issue in Hyundai model (2017) where an Authentication Bypass by Capture-replay vulnerability has been discovered.
The Impact of CVE-2023-39373
The authentication bypass vulnerability in Hyundai model (2017) can have a high impact on the availability of the system, with a base severity score of 7.4.
Technical Details of CVE-2023-39373
Explore the technical aspects of the CVE-2023-39373 vulnerability in this section.
Vulnerability Description
The CWE-294: Authentication Bypass by Capture-replay vulnerability in Hyundai model (2017) allows threat actors to bypass authentication via capture-replay attacks.
Affected Systems and Versions
The specific impacted system is the Hyundai model (2017), with the vulnerability existing in versions prior to model (2018).
Exploitation Mechanism
The vulnerability is classified with a CVSS vector of AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H, indicating an adjacent network attack vector with no privileges required.
Mitigation and Prevention
Discover the steps to mitigate and prevent the exploitation of CVE-2023-39373 in Hyundai car models.
Immediate Steps to Take
Immediate actions include restricting network access, implementing security patches, and monitoring for any unauthorized access attempts.
Long-Term Security Practices
Establishing robust authentication mechanisms and conducting regular security audits can enhance the long-term security posture of Hyundai vehicles.
Patching and Updates
Ensuring that the systems are updated to the latest firmware versions provided by Hyundai is crucial to address the CWE-294 vulnerability.