How severe is CVE-2025-8754?

CVE-2025-8754 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-8754 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-8754?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-8754 have an EU (EUVD) identifier?

Yes. CVE-2025-8754 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24628.

When was CVE-2025-8754 published?

CVE-2025-8754 was published on 2025-08-13 and last updated on 2026-06-17.

CVE-2025-8754

CVE-2025-8754 is a high-severity vulnerability with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-306.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 8.7
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-24628
Weakness: CWE-306
Published: 2025-08-13
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is 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.
How severe is CVE-2025-8754?: CVE-2025-8754 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-8754 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-8754?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-8754 have an EU (EUVD) identifier?: Yes. CVE-2025-8754 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24628.
When was CVE-2025-8754 published?: CVE-2025-8754 was published on 2025-08-13 and last updated on 2026-06-17.

References

https://search.abb.com/library/Download.aspx?DocumentID=2NGA002743&LanguageCode=en&DocumentPartId=&Action=Launch

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