CVE-2026-33570Subnet Solutions PowerSYSTEM Center Incorrect Authorization
- 6.9MediumCVSS base score
- 0.16%Exploitation in 30 daysEPSS · top 95% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
PowerSYSTEM Center REST API endpoint for devices allows a low privilege authenticated user to access information normally limited by operational permissions.
Timeline
ID reserved
By icscert
- 26 days later
· 26 days later
Published
- 1 day later
· 1 day later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| icscertCNA (assigner) | 4.0 | Medium6.9 | 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 |
| icscertCNA (assigner) | 3.1 | Medium5.7 | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVDNVD · Awaiting Analysis | 4.0 | Medium6.9 | 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
- EPSS (exploitation in 30 days)
- 0.16% · top 95% of all CVEs (12 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.9.
Affected products
Subnet Solutions · PowerSYSTEM Center 2020
- affected 5.11.x – ≤ 5.28.x
What to do
Solution: 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 [[email protected]](mailto:[email protected]). 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.
References
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-29829 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-33570)Record last updated .