CVE-2022-26476

Name: CVE-2022-26476
Creator: NVD / NIST
Published: 2022-06-14T10:15:19.883+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.40%

Last modified Jun 17, 2026

CVE-2022-26476 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A vulnerability has been identified in Spectrum Power 4 (All versions using Shared HIS), Spectrum Power 7 (All versions using Shared HIS), Spectrum Power MGMS (All versions using Shared HIS). An unauthenticated attacker could log into the component Shared HIS used in Spectrum Power systems by using an account with default credentials. EPSS estimates a 0.40% chance of exploitation in the next 30 days.

Description

A vulnerability has been identified in Spectrum Power 4 (All versions using Shared HIS), Spectrum Power 7 (All versions using Shared HIS), Spectrum Power MGMS (All versions using Shared HIS). An unauthenticated attacker could log into the component Shared HIS used in Spectrum Power systems by using an account with default credentials. A successful exploitation could allow the attacker to access the component Shared HIS with administrative privileges.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

0.40%

31.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Siemens	Spectrum Power 4	All versions
Siemens	Spectrum Power 7	All versions
Siemens	Spectrum Power Microgrid Management System	All versions

References

https://cert-portal.siemens.com/productcert/pdf/ssa-388239.pdfVendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-388239.pdfVendor Advisory

Timeline

Published: Jun 14, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-26476?

How severe is CVE-2022-26476?

CVE-2022-26476 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.40% probability of exploitation in the next 30 days.

How do I fix CVE-2022-26476?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-26476?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST