What is CVE-2020-7579?

CVE-2020-7579 is a medium-severity vulnerability in Siemens Spectrum Power 5, classified under Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS). CVSS score: 6.1/10. Published 2020-03-10.

How severe is CVE-2020-7579?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Siemens Spectrum Power 5

CVE-2020-7579

A vulnerability has been identified in Spectrum Power™ 5 (All versions < v5.50 HF02). The web server could allow Cross-Site Scripting (XSS) attacks if unsuspecting users are tricked into accessing a malicious link. User interaction is required for a successful exploitation. If deployed according to recommended system configuration, Siemens consideres the environmental vector as CR:L/IR:M/AR:H/MAV:A (4.1).

Published 2020-03-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.008 (54.3th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 54.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Siemens Spectrum Power 5 — versions 5.50
Siemens Ag Spectrum Power™ 5 — versions All versions < v5.50 HF02

Weakness classification (CWE)

References

cert-portal.siemens.com/productcert/pdf/ssa-938930.pdf (Vendor Advisory)

Frequently asked questions

What is CVE-2020-7579?: CVE-2020-7579 is a medium-severity vulnerability in Siemens Spectrum Power 5, classified under Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS). CVSS score: 6.1/10. Published 2020-03-10.
How severe is CVE-2020-7579?: Medium severity. CVSS v3 base score is 6.1 out of 10.