CVE-2025-27845

CRITICAL

ESPEC North America Web Controller <3.3.4 - Info Disclosure

Title source: llm
STIX 2.1

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.

References (2)

Core 2
Core References
Various Sources
https://espec.com

Scores

CVSS v3 9.8
EPSS 0.0040
EPSS Percentile 31.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-200
Status published
Published Aug 14, 2025
Tracked Since Feb 18, 2026