How severe is CVE-2025-55038?

CVE-2025-55038 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2025-55038 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-55038?

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

Does CVE-2025-55038 have an EU (EUVD) identifier?

Yes. CVE-2025-55038 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-30934.

When was CVE-2025-55038 published?

CVE-2025-55038 was published on 2025-09-23 and last updated on 2026-06-17.

CVE-2025-55038

CVE-2025-55038 is a medium-severity vulnerability with a CVSS 3.x base score of 6.8. 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-862.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
CVSS v4: 7.6
EPSS exploit prediction: 0% (15th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-30934
Weakness: CWE-862
Published: 2025-09-23
Last modified: 2026-06-17

Description

An authorization bypass vulnerability has been discovered in the Click Plus C2-03CPU2 device firmware version 3.60. Through the KOPR protocol utilized by the Remote PLC application, authenticated users with low-level access permissions can exploit this vulnerability to read and modify PLC variables beyond their intended authorization level.

Frequently asked questions

What is CVE-2025-55038?: An authorization bypass vulnerability has been discovered in the Click Plus C2-03CPU2 device firmware version 3.60. Through the KOPR protocol utilized by the Remote PLC application, authenticated users with low-level access permissions can exploit this vulnerability to read and modify PLC variables beyond their intended authorization level.
How severe is CVE-2025-55038?: CVE-2025-55038 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2025-55038 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-55038?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-55038 have an EU (EUVD) identifier?: Yes. CVE-2025-55038 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-30934.
When was CVE-2025-55038 published?: CVE-2025-55038 was published on 2025-09-23 and last updated on 2026-06-17.

References

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