CyberSecBulletin
CVE-2024-8300NVD status: Deferred

GENESIS64: Dead Code

Published Updated By the CyberSecBulletin desk

CVE-2024-8300 is a high-severity dead code vulnerability in GENESIS64 from Mitsubishi Electric, with a CVSS 3.1 base score of 7.0 out of 10. It can be exploited with local access to the system by an attacker with a low-privileged account, without any action from a user. Affected GENESIS64 versions: Version 10.97.2; Version 10.97.2 CFR1; Version 10.97.2 CRF2, and others listed below. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.2% 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 GENESIS64 you run against the affected versions below, and install the vendor's latest release.
  2. Read the advisory on mitsubishielectric.com for workarounds and exact fixed builds.

Affected products and versions

VendorProductAffected versionsFixed in
Mitsubishi ElectricGENESIS64Version 10.97.2; Version 10.97.2 CFR1; Version 10.97.2 CRF2; Version 10.97.3; 10.97.2; 10.97.2cfr1; 10.97.2cfr2; 10.97.3Not stated
Mitsubishi Electric Iconics Digital SolutionsGENESIS64Version 10.97.2; Version 10.97.2 CFR1; Version 10.97.2 CRF2; Version 10.97.3Not stated
Mitsubishi ElectricICONICS SuiteVersion 10.97.2; Version 10.97.2 CFR1; Version 10.97.2 CRF2; Version 10.97.3Not stated
Mitsubishi Electric Iconics Digital SolutionsICONICS SuiteVersion 10.97.2; Version 10.97.2 CFR1; Version 10.97.2 CRF2; Version 10.97.3Not stated
Iconicsgenesis6410.97.2; 10.97.2cfr1; 10.97.2cfr2; 10.97.3Not 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
LocalThe attacker needs local access or must trick a user into running something.
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
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
HighThe component can be taken down completely.

Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H. Scored by CNA (yd.MitsubishiElectric.co.jp).

Official description

Dead Code vulnerability in Mitsubishi Electric GENESIS64 Version 10.97.2, 10.97.2 CFR1, 10.97.2 CRF2 and 10.97.3, Mitsubishi Electric Iconics Digital Solutions GENESIS64 Version 10.97.2, 10.97.2 CFR1, 10.97.2 CRF2 and 10.97.3, Mitsubishi Electric ICONICS Suite Version 10.97.2, 10.97.2 CFR1, 10.97.2 CRF2 and 10.97.3, and Mitsubishi Electric Iconics Digital Solutions ICONICS Suite Version 10.97.2, 10.97.2 CFR1, 10.97.2 CRF2 and 10.97.3 allows a local authenticated attacker to execute a malicious code by tampering with a specially crafted DLL. This could lead to disclose, tamper with, destroy, or delete information in the affected products, or cause a denial of service (DoS) condition on the products.

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

The underlying weakness: Dead Code

The product contains dead code, which can never be executed.

How developers prevent this class of flaw

  • Remove dead code before deploying the application.

More Dead Code vulnerabilities (CWE-561)

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 GENESIS64

All GENESIS64 vulnerabilities

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