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CVE Vulnerability Details :
CVE-2026-33570
PUBLISHED
More InfoOfficial Page
Assigner-icscert
Assigner Org ID-7d14cffa-0d7d-4270-9dc0-52cabd5a23a6
View Known Exploited Vulnerability (KEV) details
Published At-12 May, 2026 | 20:59
Updated At-13 May, 2026 | 00:19
Rejected At-
▼CVE Numbering Authority (CNA)
Subnet Solutions PowerSYSTEM Center Incorrect Authorization

PowerSYSTEM Center REST API endpoint for devices allows a low privilege authenticated user to access information normally limited by operational permissions.

Affected Products
Vendor
Subnet Solutions
Product
PowerSYSTEM Center 2020
Default Status
unaffected
Versions
Affected
  • From 5.11.x through 5.28.x (custom)
Problem Types
TypeCWE IDDescription
CWECWE-863CWE-863 Incorrect Authorization
Type: CWE
CWE ID: CWE-863
Description: CWE-863 Incorrect Authorization
Metrics
VersionBase scoreBase severityVector
4.06.9MEDIUM
CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
3.15.7MEDIUM
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Version: 4.0
Base score: 6.9
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Version: 3.1
Base score: 5.7
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Subnet Solutions recommends users update to the latest version of PowerSYSTEM Center PSC 2020 Update 29, PSC 2024 Update 2, and PSC 2026 GA Hotfix. For assistance in upgrading, users should contact a Subnet Solutions System Integration team member or customer support team at (403) 270-8885 or by email at [support@subnet.com](mailto:support@subnet.com). Subnet Solutions recommends users do the following in order to reduce risk: * Monitor user activity records to ensure users are following acceptable usage policies of the application. * Restrict access to Notification Settings to trusted Administrators Monitor "Send from Address" in settings and Activity Records. * Configure a notification rule that triggers in any bulk account export activity.

Configurations
Workarounds
Exploits
Credits
finder
Kelly Stich of Subnet Solutions Inc. reported these vulnerabilities to CISA.
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.cisa.gov/news-events/ics-advisories/icsa-26-132-02
N/A
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-132-02.json
N/A
Hyperlink: https://www.cisa.gov/news-events/ics-advisories/icsa-26-132-02
Resource: N/A
Hyperlink: https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-132-02.json
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found