CVE-2023-39373
Hyundai car CWE-294: Authentication Bypass by Capture-replay
A Hyundai model (2017) - CWE-294: Authentication Bypass by Capture-replay.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Hyundai car CWE-294: Authentication Bypass by Capture-replay
A Hyundai model (2017) - CWE-294: Authentication Bypass by Capture-replay.
- Record
CVE-2023-39373- CVSS 3.1
- 7.4 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H - Weakness
- CWE-294
- Updated
- 2026-11-02
EUVDEUVD-2023-43098
A Hyundai model (2017) - CWE-294: Authentication Bypass by Capture-replay.
- Record
EUVD-2023-43098- CVSS 3.1
- 7.4 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-xmhw-q7r6-c72h
A Hyundai model (2017) - CWE-294: Authentication Bypass by Capture-replay.
A Hyundai model (2017) - CWE-294: Authentication Bypass by Capture-replay.
- Record
GHSA-xmhw-q7r6-c72h- CVSS 3.1
- 7.4 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H - Weakness
- CWE-294
- Updated
- 2026-11-02
NVD
A Hyundai model (2017) - CWE-294: Authentication Bypass by Capture-replay.
- Record
CVE-2023-39373- CVSS 3.1
- 7.4 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H - CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-294
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-39373 is a high vulnerability (CVSS 7.4) in Hyundai Model (2017), published September 3, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.34%, the 27th percentile. No source names a fixed version.