LVS MConfig Insecure memory handling
Plan PatchCVSS 7.44TZ00000006008Oct 8, 2025
ABB
Attack path
Attack VectorLocal
Auth RequiredLow
ComplexityHigh
User InteractionRequired
Summary
ABB MConfig contains an insecure memory handling vulnerability in versions 1.4.9.21 and earlier. An attacker with local network access could exploit this flaw to access the application's sensitive information. The vulnerability is resolved in MConfig version 1.4.9.22.
What this means
What could happen
An attacker with local network access to MConfig could extract sensitive information from application memory, potentially exposing credentials, process parameters, or other confidential data stored in the system.
Who's at risk
Organizations using ABB MConfig (configuration management software for ABB industrial devices) should prioritize this update. This affects any IT or OT personnel who use MConfig to configure or manage ABB equipment on local networks.
How it could be exploited
An attacker gains local network access to the MConfig application, then exploits insecure memory handling to read sensitive data directly from the application's memory space. This requires the attacker to have local network connectivity and some ability to interact with the MConfig system (e.g., via a compromised workstation on the same network segment).
Prerequisites
- Local network access to MConfig system
- User interaction or ability to trigger the application to load sensitive data into memory
Low authentication requiredLocal network access neededSensitive data exposureMemory disclosure risk
Exploitability
Unlikely to be exploited — EPSS score 0.0%
Affected products (1)
ProductAffected VersionsFix Status
MConfig≤ 1.4.9.211.4.9.22
Remediation & Mitigation
0/3
Do now
0/1HARDENINGRestrict local network access to MConfig systems using firewall rules or network segmentation to limit which workstations and devices can reach the system
Schedule — requires maintenance window
0/2Patching may require device reboot — plan for process interruption
HOTFIXUpdate MConfig to version 1.4.9.22 or later
HARDENINGReview and implement defensive measures documented in the MConfig product instruction manual, Mitigation factors section
CVEs (1)
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