CVE-2023-28895: The password for access to the debugging console of the PoWer Controller chip (PWC) of the MIB3 infotainment i

Q: How do I fix CVE-2023-28895?

mib3 firmware: upgrade to 0304. Exact commands for each OS are on this page.

Q: Is CVE-2023-28895 being exploited?

CVE-2023-28895 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-28895 affect?

CVE-2023-28895 affects mib3 firmware. Severity is low (CVSS 3.5). The password for access to the debugging console of the PoWer Controller chip (PWC) of the MIB3 infotainment is hard-coded in the firmware. The console allows attackers with physical access to the MIB3 unit to gain full control over the PWC

Q: How urgent is CVE-2023-28895?

Priority 18/100. No elevated risk signals yet.

Routine

LOW 3.5UPGRADE

CVE-2023-28895 is a low-severity flaw (CVSS 3.5) affecting mib3 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The password for access to the debugging console of the PoWer Controller chip (PWC) of the MIB3 infotainment is hard-coded in the firmware. The console allows attackers with physical access to the MIB3 unit to gain full control over the PWC chip. Vulnerability found on Škoda Superb III (3V3) - 2.0 TDI manufactured in 2022.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	3.5 (Low)
Attack vector	Physical
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 76%)
CISA exploited list	No
Weakness	CWE-259, CWE-798
Published	2023-12-01
Last modified	2026-06-17

Publisher (CNA): Automotive Security Research Group (ASRG) · Vendor: preh

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

Am I affected?

Timeline

2023-12-01 14:15 UTCPublished CVE record published
2026-06-17 05:48 UTCUpdated Record last modified

preh mib3 firmware UPGRADE

Affected: < 0304

Fixed in: 0304

Safe to downgrade to: no unaffected older release

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-2023-28895?

mib3 firmware: upgrade to 0304. Exact commands for each OS are on this page.

Is CVE-2023-28895 being exploited?

CVE-2023-28895 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-2023-28895 affect?

CVE-2023-28895 affects mib3 firmware. Severity is low (CVSS 3.5). The password for access to the debugging console of the PoWer Controller chip (PWC) of the MIB3 infotainment is hard-coded in the firmware. The console allows attackers with physical access to the MIB3 unit to gain full control over the PWC

How urgent is CVE-2023-28895?

Priority 18/100. No elevated risk signals yet.

Related CVEs

CVE-2023-28896 LOW 3.3 UPGRADE Access to critical Unified Diagnostics Services (UDS) of the Modular Infotainment Platform 3 (MIB3) infotainme

References

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