CVE-2023-28900Network attack vector

User identifier disclosure via arbitrary VIN lookup

Published Jan 18, 2024 · Updated Jun 17, 2025

Broken access control in Škoda Connect allows remote attackers to obtain user nicknames and other identifiers by submitting an arbitrary VIN. The cloud backend accepts an arbitrary vehicle identification number and returns associated account details without enforcing intended access permissions. No authentication or user interaction is required; disclosure is limited to nicknames and other identifiers associated with the supplied VIN.

CVSS severity5.3
Medium
EPSS probability0.38%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Broken access control in Škoda Connect allows remote attackers to obtain user nicknames and other identifiers by submitting an arbitrary VIN. The cloud backend accepts an arbitrary vehicle identification number and returns associated account details without enforcing intended access permissions. No authentication or user interaction is required; disclosure is limited to nicknames and other identifiers associated with the supplied VIN.

The record

CVE
CVE-2023-28900
Published
Jan 18, 2024
Updated
Jun 17, 2025
Vendor
Škoda Auto
Product
Škoda Connect
Classifications
CWE-200, CAPEC-116, T1589
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 18, 2024CVE publishedPublication date reported by the CVE source.
  2. Jun 17, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Škoda Auto · Škoda Connectversion=0

Published CVSS scores

5.3Automotive Security Research GroupCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
CAPEC-116Excavation
T1589Gather Victim Identity Information

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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