CVE-2025-27845

CRITICAL

Published Aug 14, 2025 Modified Apr 15, 2026 CWE-200

Description

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.

CVSS v3.1 Score

9.8

CRITICAL

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

Weakness Type (CWE)

CWE-200 CWE-200

References

Other References

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

Frequently Asked Questions

What is CVE-2025-27845? +

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. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2025-27845? +

CVE-2025-27845 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

How do I check if I'm vulnerable to CVE-2025-27845? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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