What is CVE-2025-27845?

CVE-2025-27845 is a critical-severity vulnerability in N/a, classified under Information Disclosure. CVSS score: 9.8/10. Published 2025-08-14.

How severe is CVE-2025-27845?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Information disclosure in N/a

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.

Vulnerability class: Information Disclosure

EPSS: 0.004 (32.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

N/a — versions n/a

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

cve@mitre.org
cve@mitre.org

Frequently asked questions

What is CVE-2025-27845?: CVE-2025-27845 is a critical-severity vulnerability in N/a, classified under Information Disclosure. CVSS score: 9.8/10. Published 2025-08-14.
How severe is CVE-2025-27845?: Critical severity. CVSS v3 base score is 9.8 out of 10.