CVE-2026-33570

MEDIUM 5.7

Subnet Solutions PowerSYSTEM Center Incorrect Authorization

CVSS Score

5.7

EPSS Score

0.0%

EPSS Percentile

0th

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

CWE	CWE-863
Vendor	subnet solutions
Product	powersystem center 2020
Published	May 12, 2026
Last Updated	May 13, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Affected Versions

Subnet Solutions / PowerSYSTEM Center 2020

5.11.x ≤ 5.28.x

References

NVD ↗ CVE.org ↗ EPSS Data ↗

cisa.gov: https://www.cisa.gov/news-events/ics-advisories/icsa-26-132-02 github.com: https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-132-02.json

Credits

Kelly Stich of Subnet Solutions Inc. reported these vulnerabilities to CISA.