CyberSecBulletin
CVE-2024-5650NVD status: Deferred

CENTUM CS 3000: Improper Access Control

CVE-2024-5650 is a high-severity improper access control vulnerability in CENTUM CS 3000 from Yokogawa Electric, with a CVSS 3.1 base score of 8.5 out of 10. It can be exploited remotely over the network by an attacker with a low-privileged account, without any action from a user. Affected CENTUM CS 3000 versions: R3.08.10 through R3.09.50. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.34% 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 CENTUM CS 3000 you run against the affected versions below, and install the vendor's latest release.

Affected products and versions

VendorProductAffected versionsFixed in
Yokogawa ElectricCENTUM CS 3000R3.08.10 through R3.09.50Not stated
Yokogawa ElectricCENTUM VPR4.01.00 through R4.03.00; R5.01.00 through R5.04.20; R6.01.00 through R6.11.10Not stated
Yokogawacentum_cs_3000r3.08.10 through r3.09.50Not stated
Yokogawacentum_vpr4.01.00 through f4.03.00; r5.01.00 through r5.04.20; r6.01.00 through r6.11.10Not 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
HighSuccess depends on conditions outside the attacker's control.
Privileges required
LowA basic user account is enough.
User interaction
NoneNo action by a victim is required.
Scope
ChangedThe attack can reach beyond the vulnerable component into other systems.
Confidentiality
HighAll data handled by the component can be read.
Integrity
HighData or code can be modified at will.
Availability
HighThe component can be taken down completely.

Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H. Scored by CNA.

Official description

DLL Hijacking vulnerability has been found in CENTUM CAMS Log server provided by Yokogawa Electric Corporation. If an attacker is somehow able to intrude into a computer that installed affected product or access to a shared folder, by replacing the DLL file with a tampered one, it is possible to execute arbitrary programs with the authority of the SYSTEM account. The affected products and versions are as follows: CENTUM CS 3000 R3.08.10 to R3.09.50 CENTUM VP R4.01.00 to R4.03.00, R5.01.00 to R5.04.20, R6.01.00 to R6.11.10.

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

The underlying weakness: Improper Access Control

The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

How developers prevent this class of flaw

  • Very carefully manage the setting, management, and handling of privileges. Explicitly manage trust zones in the software.
  • Compartmentalize the system to have safe areas where trust boundaries can be unambiguously drawn. Do not allow sensitive data to go outside of the trust boundary and always be careful when interfacing with a compartment outside of the safe area. Ensure that appropriate compartmentalization is built into the system design, and the compartmentalization allows for and reinforces privilege separation functionality. Architects and designers should rely on the principle of least privilege to decide the appropriate time to use privileges and the time to drop privileges.

More Improper Access Control vulnerabilities (CWE-284)

Timeline

  1. CVE record published.
  2. CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: total).
  3. Record last changed materially (score, affected products, status or references).

References

Other vulnerabilities in CENTUM CS 3000

All CENTUM CS 3000 vulnerabilities

Recent Improper Access Control vulnerabilities

Spotted an error? Tell us.