CyberSecBulletin
CVE-2024-3016NVD status: Deferred

ITK-6DGS-1(BK) TEL: Hidden Functionality

CVE-2024-3016 is a critical-severity hidden functionality vulnerability in ITK-6DGS-1(BK) TEL from NEC Platforms, with a CVSS 3.1 base score of 9.1 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected ITK-6DGS-1(BK) TEL versions: v5.0.0.0 – v5.3.4.4, v5.4.0.0 – v5.6.0.20; 5.0.0.0 through 5.3.4.4; 5.4.0.0 through 5.6.0.20. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.68% chance of exploitation within 30 days, higher than 53% of scored CVEs.

Patch this week

Critical severity: a successful attack would have severe impact.

What to do

  1. Update ITK-32TCG-1P(BK)TEL to 5.6.0.20 or a later version.
  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
NEC PlatformsITK-6DGS-1(BK) TELv5.0.0.0 – v5.3.4.4, v5.4.0.0 – v5.6.0.20; 5.0.0.0 through 5.3.4.4; 5.4.0.0 through 5.6.0.20Not stated
NEC PlatformsITK-32LCGS-1(BK) TEL5.0.0.0 – v5.3.4.4, v5.4.0.0 – v5.6.0.20; 5.0.0.0 through 5.3.4.4; 5.4.0.0 through 5.6.0.20Not stated
NEC PlatformsITK-32TCGS-1(BK) TEL5.0.0.0 – v5.3.4.4, v5.4.0.0 – v5.6.0.20; 5.0.0.0 through v5.3.4.4; 5.4.0.0 through 5.6.0.20Not stated
NEC PlatformsITK-6D-1(BK)TEL5.0.0.0 – v5.3.4.4, v5.4.0.0 – v5.6.0.20; 5.0.0.0 through 5.3.4.4; 5.4.0.0 through 5.6.0.20Not stated
NEC PlatformsITK-12D-1(BK)TEL5.0.0.0 – v5.3.4.4, v5.4.0.0 – v5.6.0.20; 5.0.0.0 through 5.3.4.4; 5.4.0.0 through 5.6.0.20Not stated
NEC PlatformsITK-8LCX-1(BK)TEL5.0.0.0 – v5.3.4.4, v5.4.0.0 – v5.6.0.20; 5.0.0.0 through 5.3.4.4; 5.4.0.0 through 5.6.0.20Not stated
NEC PlatformsITK-8TCGX-1(BK)TEL5.0.0.0 – v5.3.4.4, v5.4.0.0 – v5.6.0.20; 5.0.0.0 through 5.3.4.4; 5.4.0.0 through 5.6.0.20Not stated
NEC PlatformsITK-6DGS-1A(BK) TEL5.0.0.0 – v5.3.4.4, v5.4.0.0 – v5.6.0.20; 5.0.0.0 through 5.3.4.4; 5.4.0.0 through 5.6.0.20Not stated
NEC PlatformsITK-32LCGS-1A(BK) TEL5.0.0.0 – v5.3.4.4, v5.4.0.0 – v5.6.0.20; 5.0.0.0 through 5.3.4.4; 5.4.0.0 through 5.6.0.20Not stated
NEC PlatformsITK-32TCGS-1A(BK) TEL5.0.0.0 – v5.3.4.4, v5.4.0.0 – v5.6.0.20; 5.0.0.0 through 5.3.4.4; 5.4.0.0 through 5.6.0.20Not stated
NEC PlatformsITK-6DGS-1P(BK) TEL5.0.0.0 – v5.3.4.4, v5.4.0.0 – v5.6.0.20; 5.0.0.0 through 5.3.4.4; 5.4.0.0 through 5.6.0.20Not stated
NEC PlatformsITK-32LCGS-1P(BK) TEL5.0.0.0 – v5.3.4.4, v5.4.0.0 – v5.6.0.20; 5.0.0.0 through 5.3.4.4; 5.4.0.0 through 5.6.0.20Not stated
NEC PlatformsITK-32TCGS-1P(BK) TEL5.0.0.0 – v5.3.4.4, v5.4.0.0 – v5.6.0.20; 5.0.0.0 through 5.3.4.4; 5.4.0.0 through 5.6.0.20Not stated
NEC PlatformsITK-6D-1P(BK)TEL5.0.0.0 – v5.3.4.4, v5.4.0.0 – v5.6.0.20; 5.0.0.0 through 5.3.4.4; 5.4.0.0 through 5.6.0.20Not stated
NEC PlatformsITK-12D-1P(BK)TEL5.0.0.0 – v5.3.4.4, v5.4.0.0 – v5.6.0.20; 5.0.0.0 through 5.3.4.4; 5.4.0.0 through 5.6.0.20Not stated
NEC PlatformsITK-6DG-1P(BK)TEL5.0.0.0 – v5.3.4.4, v5.4.0.0 – v5.6.0.20; 5.0.0.0 through 5.3.4.4; 5.4.0.0 through 5.6.0.20Not stated
NEC PlatformsITK-12DG-1P(BK)TEL5.0.0.0 – v5.3.4.4, v5.4.0.0 – v5.6.0.20; 5.0.0.0 through 5.3.4.4; 5.4.0.0 through 5.6.0.20Not stated
NEC PlatformsITK-8LCX-1P(BK)TEL5.0.0.0 – v5.3.4.4, v5.4.0.0 – v5.6.0.20; 5.0.0.0 through 5.3.4.4; 5.4.0.0 through 5.6.0.20Not stated
NEC PlatformsITK-8LCG-1P(BK)TEL5.0.0.0 – v5.3.4.4, v5.4.0.0 – v5.6.0.20; 5.0.0.0 through 5.3.4.4; 5.4.0.0 through 5.6.0.20Not stated
NEC PlatformsITK-32LCG-1P(BK)TEL5.0.0.0 – v5.3.4.4, v5.4.0.0 – v5.6.0.20; 5.0.0.0 through 5.3.4.4; 5.4.0.0 through 5.6.0.20Not stated
NEC PlatformsITK-8TCGX-1P(BK)TEL5.0.0.0 – v5.3.4.4, v5.4.0.0 – v5.6.0.20; 5.0.0.0 through 5.3.4.4; 5.4.0.0 through 5.6.0.20Not stated
NEC PlatformsITK-32TCG-1P(BK)TEL5.0.0.0 – v5.3.4.4, v5.4.0.0 – v5.6.0.20; 5.0.0.0 through 5.3.4.4; 5.4.0.0 up to, but not including, 5.6.0.205.6.0.20

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
HighData or code can be modified at will.
Availability
NoneAvailability is not affected.

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

Official description

NEC Platforms DT900 and DT900S Series 5.0.0.0 – v5.3.4.4, v5.4.0.0 – v5.6.0.20 allows an attacker to access a non-documented the system settings to change settings via local network with unauthenticated user.

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

The underlying weakness: Hidden Functionality

The product contains functionality that is not documented, not part of the specification, and not accessible through an interface or command sequence that is obvious to the product's users or administrators.

How developers prevent this class of flaw

  • Always verify the integrity of the product that is being installed.

More Hidden Functionality vulnerabilities (CWE-912)

Timeline

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

References

Recent Hidden Functionality vulnerabilities

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