How severe is CVE-2025-52551?

CVE-2025-52551 has a CVSS 4.0 base score of 9.3, rated critical severity.

Is CVE-2025-52551 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-52551?

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

Does CVE-2025-52551 have an EU (EUVD) identifier?

Yes. CVE-2025-52551 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-26381.

When was CVE-2025-52551 published?

CVE-2025-52551 was published on 2025-09-02 and last updated on 2026-06-17.

CVE-2025-52551

CVE-2025-52551 is a critical-severity vulnerability with a CVSS 4.0 base score of 9.3. 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: Critical (CVSS 4.0 base score 9.3)
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-26381
Weakness: CWE-306
Published: 2025-09-02
Last modified: 2026-06-17

Description

E2 Facility Management Systems use a proprietary protocol that allows for unauthenticated file operations on any file in the file system.

Frequently asked questions

What is CVE-2025-52551?: E2 Facility Management Systems use a proprietary protocol that allows for unauthenticated file operations on any file in the file system.
How severe is CVE-2025-52551?: CVE-2025-52551 has a CVSS 4.0 base score of 9.3, rated critical severity.
Is CVE-2025-52551 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-52551?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-52551 have an EU (EUVD) identifier?: Yes. CVE-2025-52551 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-26381.
When was CVE-2025-52551 published?: CVE-2025-52551 was published on 2025-09-02 and last updated on 2026-06-17.

References

https://www.armis.com/research/frostbyte10/

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