How severe is CVE-2025-36539?

CVE-2025-36539 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-36539 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-2025-36539?

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

Does CVE-2025-36539 have an EU (EUVD) identifier?

Yes. CVE-2025-36539 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18215.

When was CVE-2025-36539 published?

CVE-2025-36539 was published on 2025-06-12 and last updated on 2026-06-17.

CVE-2025-36539

CVE-2025-36539 is a medium-severity vulnerability with a CVSS 3.x base score of 6.5. 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-248.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v4: 7.1
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-18215
Weakness: CWE-248
Published: 2025-06-12
Last modified: 2026-06-17

Description

AVEVA PI Data Archive products are vulnerable to an uncaught exception that, if exploited, could allow an authenticated user to shut down certain necessary PI Data Archive subsystems, resulting in a denial of service.

Frequently asked questions

What is CVE-2025-36539?: AVEVA PI Data Archive products are vulnerable to an uncaught exception that, if exploited, could allow an authenticated user to shut down certain necessary PI Data Archive subsystems, resulting in a denial of service.
How severe is CVE-2025-36539?: CVE-2025-36539 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-36539 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-2025-36539?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-36539 have an EU (EUVD) identifier?: Yes. CVE-2025-36539 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18215.
When was CVE-2025-36539 published?: CVE-2025-36539 was published on 2025-06-12 and last updated on 2026-06-17.

References

Other CWE-248 vulnerabilities

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CVE-2026-9509 — High (CVSS 8.7): An unhandled exception in Suprema BioStar 2 (Server), versions 2.9.8, 2.9.10, and 2.9.11, that allows an…
CVE-2025-9124 — High (CVSS 8.7): A denial-of-service security issue in the affected product. The security issue stems from a fault occurring when a…

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