Auth bypass in Eaton Brightlayer Software Suite (Blss)

CVE-2025-48397

The privileged user could log in without sufficient credentials after enabling an application protocol. This security issue has been fixed in the latest script patch latest version of of Eaton BLSS (7.3.0.SCP004).

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (9.7th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 9.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-48397: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-48397?
CVE-2025-48397 is a high-severity vulnerability in Eaton Brightlayer Software Suite (Blss), classified under Missing Authentication for Critical Function. CVSS score: 7.1/10. Published 2025-11-03.
How severe is CVE-2025-48397?
High severity. CVSS v3 base score is 7.1 out of 10.