CVE-2025-27845

9.8 criticalEPSS 0.4%

Critical (9.8). EPSS 0.4% chance of exploitation in the next 30 days.

In ESPEC North America Web Controller 3 before 3.3.4, /api/v4/auth/ with any invalid authentication request results in exposing a JWT secret. This allows for elevated permissions to the UI.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 37% of CVEs (scores of 2026-10-31)
CWE: CWE-200
Published: 2025-08-14
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

https://espec.com
https://espec.com/na/about/detail/cve_2025_27845

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