CVE-2023-6631

Subnet Solutions Inc. PowerSYSTEM Center Unquoted Search Path or Element

Published Jan 8, 2024 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Description
PowerSYSTEM Center versions 2020 Update 16 and prior contain a vulnerability that may allow an authorized local user to insert arbitrary code into the unquoted service path and escalate privileges.





Remediation

Vendor Solution

Subnet Solutions recommends users upgrade to PowerSYSTEM Center versions 2020 Update 17 or later. To obtain this software, contact Subnet Solution's Customer Service https://subnet.com/contact/ .


Vendor Workaround

Additionally, Subnet Solutions recommends users apply Application Allowlisting on PowerSYSTEM Center Device Communication Server (DCS) hosts to ensure only trusted executables are able to be run. If unable to apply PowerSYSTEM Center 2020 Update 17, Subnet Solutions recommends users mitigate risk by logging in to the DCS as administrator, opening the Registry Editor, navigating to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services, locating all pscagent.* entries, and modifying the ImagePath key by enclosing it within double quotes ("). Restart computer when complete.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-58854 PowerSYSTEM Center versions 2020 Update 16 and prior contain a vulnerability that may allow an authorized local user to insert arbitrary code into the unquoted service path and escalate privileges.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
icscert
Published
Updated
Jun 3, 2025, 2:34 PM
Reserved
Dec 8, 2023, 5:28 PM
Status
Modified
Published
Jan 8, 2024, 7:15 PM
Modified
Jun 17, 2026, 6:51 AM