How severe is CVE-2025-11566?

CVE-2025-11566 has a CVSS 4.0 base score of 6.9, rated medium severity.

Is CVE-2025-11566 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-11566?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-11566 have an EU (EUVD) identifier?

Yes. CVE-2025-11566 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-131907.

When was CVE-2025-11566 published?

CVE-2025-11566 was published on 2025-11-12 and last updated on 2026-06-17.

CVE-2025-11566

CVE-2025-11566 is a medium-severity vulnerability with a CVSS 4.0 base score of 6.9. 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-307.

Key facts

Severity: Medium (CVSS 4.0 base score 6.9)
EPSS exploit prediction: 1% (39th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-131907
Weakness: CWE-307
Published: 2025-11-12
Last modified: 2026-06-17

Description

CWE-307: Improper Restriction of Excessive Authentication Attempts vulnerability exists that would allow an attacker on the local network to gain access to the user account by performing an arbitrary number of authentication attempts with different credentials on the /REST/shutdownnow endpoint.

Frequently asked questions

What is CVE-2025-11566?: CWE-307: Improper Restriction of Excessive Authentication Attempts vulnerability exists that would allow an attacker on the local network to gain access to the user account by performing an arbitrary number of authentication attempts with different credentials on the /REST/shutdownnow endpoint.
How severe is CVE-2025-11566?: CVE-2025-11566 has a CVSS 4.0 base score of 6.9, rated medium severity.
Is CVE-2025-11566 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-11566?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-11566 have an EU (EUVD) identifier?: Yes. CVE-2025-11566 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-131907.
When was CVE-2025-11566 published?: CVE-2025-11566 was published on 2025-11-12 and last updated on 2026-06-17.

References

https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2025-315-01&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2025-315-01.pdf

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