How severe is CVE-2025-52544?

CVE-2025-52544 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 high, integrity none, and availability none.

Is CVE-2025-52544 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-52544?

CVE-2025-52544 affects Copeland E3 Supervisory Controller Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-52544?

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-2025-52544 have an EU (EUVD) identifier?

Yes. CVE-2025-52544 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-26399.

When was CVE-2025-52544 published?

CVE-2025-52544 was published on 2025-09-02 and last updated on 2026-06-17.

CVE-2025-52544

CVE-2025-52544 is a high-severity vulnerability in Copeland E3 Supervisory Controller Firmware 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-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 8.8
EPSS exploit prediction: 0% (25th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-26399
Weakness: CWE-20
Affected product: Copeland E3 Supervisory Controller Firmware
Published: 2025-09-02
Last modified: 2026-06-17

Description

E3 Site Supervisor Control (firmware version < 2.31F01) has a floor plan feature that allows for an unauthenticated attacker to upload floor plan files. By uploading a specially crafted floor plan file, an attacker can access any file from the E3 file system.

Frequently asked questions

What is CVE-2025-52544?: E3 Site Supervisor Control (firmware version < 2.31F01) has a floor plan feature that allows for an unauthenticated attacker to upload floor plan files. By uploading a specially crafted floor plan file, an attacker can access any file from the E3 file system.
How severe is CVE-2025-52544?: CVE-2025-52544 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 high, integrity none, and availability none.
Is CVE-2025-52544 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-52544?: CVE-2025-52544 affects Copeland E3 Supervisory Controller Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-52544?: 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-2025-52544 have an EU (EUVD) identifier?: Yes. CVE-2025-52544 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-26399.
When was CVE-2025-52544 published?: CVE-2025-52544 was published on 2025-09-02 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:o:copeland:e3_supervisory_controller_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Copeland E3 Supervisory Controller Firmware

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CVE-2025-52549 — Critical (CVSS 9.8): E3 Site Supervisor Control (firmware version < 2.31F01) generates the root linux password on each boot. An attacker can…
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CVE-2025-52543 — High (CVSS 7.5): E3 Site Supervisor Control (firmware version < 2.31F01) application services (MGW and RCI) uses client side hashing for…
CVE-2025-52550 — High (CVSS 7.2): E3 Site Supervisor Control (firmware version < 2.31F01) firmware upgrade packages are unsigned. An attacker can forge…

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