Denial of Service via ECU reset service
Priority LOW 24CWE-770Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-770.
Summary
By sending a specific reset UDS request via OBDII port of Skoda vehicles, it is possible to cause vehicle engine shutdown and denial of service of other vehicle components even when the vehicle is moving at a high speed. No safety critical functions affected.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00138 3rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Škoda | Superb III | up to 2022 | — | No fix listed | CNA |
- Superb III VendorŠkoda Affected up to 2022 Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:skoda-auto:superb_3_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Skoda Auto |
| cpe:2.3:h:skoda-auto:superb_3:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Skoda Auto |
- cpe:2.3:o:skoda-auto:superb_3_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Skoda Auto
- cpe:2.3:h:skoda-auto:superb_3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Skoda Auto
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-28899
- 2026-10-03 Alias added: GHSA-c457-8wp3-h45c
References
More Skoda Auto Superb 3 Firmware vulnerabilities
- TI-2023-13390 Hard-coded password for UDS services CVSS 3.1CRITICAL 9.8
- TI-2023-13391 Head Unit Denial-of-Service via Apple CarPlay service CVSS 3.1MEDIUM 5.3
Sources
- CVE-2023-28899 · CVE Program
- CVE-2023-28899 · NVD
- FIRST EPSS
- GHSA-c457-8wp3-h45c · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences