CyberSecBulletin
CVE-2024-39339NVD status: Deferred

smartplay_headunit_firmware: Insecure Storage of Sensitive Information

CVE-2024-39339 is a high-severity insecure storage of sensitive information vulnerability in smartplay_headunit_firmware from Globalsuzuki, with a CVSS 3.1 base score of 7.5 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected smartplay_headunit_firmware versions: all versions. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.39% chance of exploitation within 30 days, which is low compared with other CVEs.

Next patch cycle

High severity with no evidence of exploitation so far.

What to do

  1. Check which version of smartplay_headunit_firmware you run against the affected versions below, and install the vendor's latest release.
  2. Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.

Affected products and versions

VendorProductAffected versionsFixed in
Globalsuzukismartplay_headunit_firmwareall versionsNot stated

Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.

How the severity score breaks down

Attack vector
NetworkCan be exploited remotely over a network, including the internet.
Attack complexity
LowNo special conditions are needed; the attack works reliably.
Privileges required
NoneNo account or login is needed.
User interaction
NoneNo action by a victim is required.
Scope
UnchangedImpact stays within the vulnerable component.
Confidentiality
HighAll data handled by the component can be read.
Integrity
NoneNothing can be modified.
Availability
NoneAvailability is not affected.

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. Scored by CISA (ADP).

Official description

A vulnerability has been discovered in all versions of Smartplay headunits, which are widely used in Suzuki and Toyota cars. This misconfiguration can lead to information disclosure, leaking sensitive details such as diagnostic log traces, system logs, headunit passwords, and personally identifiable information (PII). The exposure of such information may have serious implications for user privacy and system integrity.

Source: the CVE record as published by its numbering authority, via NVD and CVE.org.

The underlying weakness: Insecure Storage of Sensitive Information

The product stores sensitive information without properly limiting read or write access by unauthorized actors.

More Insecure Storage of Sensitive Information vulnerabilities (CWE-922)

Timeline

  1. CVE record published.
  2. CISA published its SSVC assessment (exploitation: none, automatable: yes, technical impact: partial).
  3. Record last changed materially (score, affected products, status or references).

References

Recent Insecure Storage of Sensitive Information vulnerabilities

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