CVE-2023-28897: The secret value used for access to critical UDS services of the MIB3 infotainment is hardcoded in the firmwar

Routine

MEDIUM 4.0MITIGATE

CVE-2023-28897 is a medium-severity flaw (CVSS 4.0) affecting superb 3 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The secret value used for access to critical UDS services of the MIB3 infotainment is hardcoded in the firmware. Vulnerability discovered on Škoda Superb III (3V3) - 2.0 TDI manufactured in 2022.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	4.0 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 76%)
CISA exploited list	No
Weakness	CWE-798
Published	2024-01-12
Last modified	2026-06-17

Publisher (CNA): Automotive Security Research Group (ASRG) · Vendor: skoda-auto

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-01-12 16:15 UTCPublished CVE record published
2026-06-17 05:48 UTCUpdated Record last modified

skoda-auto superb 3 firmware MITIGATE

Affected: 2022

Fixed in: no fixed release known

Safe to downgrade to: a release before 2022

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-28897?

superb 3 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-28897 being exploited?

CVE-2023-28897 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-28897 affect?

CVE-2023-28897 affects superb 3 firmware. Severity is medium (CVSS 4.0). The secret value used for access to critical UDS services of the MIB3 infotainment is hardcoded in the firmware. Vulnerability discovered on Škoda Superb III (3V3) - 2.0 TDI manufactured in 2022.

How urgent is CVE-2023-28897?

Priority 20/100. No elevated risk signals yet.

Related CVEs

CVE-2023-28899 MEDIUM 4.7 MITIGATE By sending a specific reset UDS request via OBDII port of Skoda vehicles, it is possible to cause vehicle engi
CVE-2023-28898 MEDIUM 5.3 MITIGATE The Real-Time Streaming Protocol implementation in the MIB3 infotainment incorrectly handles requests to /logs

References

← Back to latest CVEs