What is CVE-2025-8754?

CVE-2025-8754 is a high-severity vulnerability in Abb Abilitytm Zenon, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2025-08-13.

How severe is CVE-2025-8754?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2025-8754 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Abb Abilitytm Zenon

CVE-2025-8754

Missing Authentication for Critical Function vulnerability in ABB ABB AbilityTM zenon.This issue affects ABB AbilityTM zenon: from 7.50 through 14.

Vulnerability class: Broken Authentication

EPSS: 0.003 (26.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Abb Abilitytm Zenon — versions 7.50

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

cybersecurity@ch.abb.com

Frequently asked questions

What is CVE-2025-8754?: CVE-2025-8754 is a high-severity vulnerability in Abb Abilitytm Zenon, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2025-08-13.
How severe is CVE-2025-8754?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2025-8754 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.