CVSS 4.0
9.4 criticalCVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:HCVE-2026-63017 subnet solutions: Incorrect Authorization
Critical (9.4) in subnet solutions. EPSS 0.3% estimated probability of exploitation activity in the next 30 days.
On this page
Incorrect authorization in PowerSYSTEM Center allows a low-privileged, authenticated user to access resources normally limited to administrators.
Severity
CVSS 3.1
9.0 criticalCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H- EPSS
- 0.3% (unchanged from 0.3% a week ago) estimated probability of exploitation activity in the next 30 days; 19th percentile. Scored 2026-11-13. A forecast for this CVE across the internet, not for your own systems.
- CISA's assessment (SSVC)
- Exploitation: none · Automatable: no · Technical impact: total, assessed 2026-11-10. From CISA's Vulnrichment in the CVE List: whether it is exploited, whether exploiting it can be automated, and how much control it gives.
- CWE
- CWE-863 Incorrect Authorization
- OWASP Top 10
- A01:2025 Broken Access Control
- Published
- Modified
- Assigned by
- icscert (CNA)
- NVD analysis
- Awaiting analysis
- Record from
- the NVD, synced
Ask an AI about this CVE
Show the prompt
Explain CVE-2026-63017 for an engineer deciding whether to act. Use https://cve.bz/api/public/cves/CVE-2026-63017?via=ask-ai-copy and https://cve.bz/cve/CVE-2026-63017?via=ask-ai-copy as the source of truth: what is affected and which versions fix it, whether it is in CISA KEV, public exploits, and its EPSS (an internet-wide 30-day estimate of exploitation activity, not a forecast for my systems). If they give no fixed versions, use the CVE record https://cveawg.mitre.org/api/cve/CVE-2026-63017 or the vendor advisory, not third-party mirrors. Tell me how to check whether I am affected and how to verify a fix. Cite the sources and say where they are uncertain.Opens a third-party assistant; its answer is its own, not cve.bz's. The prompt holds only this CVE's id and public links.
Badge for a README or a site
An image that stays current: it is drawn from the data each time it is fetched (a host that proxies images, as GitHub does, may show its copy for a while). Markdown:
[](https://cve.bz/cve/CVE-2026-63017)
HTML:
<a href="https://cve.bz/cve/CVE-2026-63017"><img src="https://cve.bz/cve/badge/CVE-2026-63017.svg" alt="CVE-2026-63017"></a>
Affected
- subnet solutions:powersystem center 2020
- subnet solutions:powersystem center 2024
- subnet solutions:powersystem center 2026
Versions
From the CNA's record in the CVE List.
| Product | Affected |
|---|---|
| Subnet Solutions PowerSYSTEM Center 2020 | through 5.29.x |
| Subnet Solutions PowerSYSTEM Center 2024 | from 6.0.x through 6.2.x |
| Subnet Solutions PowerSYSTEM Center 2026 | from 7.0.x through 7.1.x |
ICS advisories (CISA)
| Advisory | Title | Published | Sectors | Affected | Fixed |
|---|---|---|---|---|---|
| ICSA-26-307-01 | Subnet Solutions PowerSYSTEM Center | 2026-11-03 | Critical Manufacturing, Energy | Subnet Solutions PowerSYSTEM Center 2024 >=6.0.x|<=6.2.x, Subnet Solutions PowerSYSTEM Center 2020 <=5.29.x, Subnet Solutions PowerSYSTEM Center 2026 >=7.0.x|<=7.1.x | none listed |
From CISA's ICS advisories (CSAF), provided under CISA's notification. Only the facts are shown; each advisory is on CISA's page. Credits.