CVE-2025-27451

MEDIUM

Endress meac300-fnade4 Firmware <= 0.16.0 - Username Enumeration via Different Error Messages

Title source: llm
STIX 2.1

Description

For failed login attempts, the application returns different error messages depending on whether the login failed due to an incorrect password or a non-existing username. This allows an attacker to guess usernames until they find an existing one.

References (6)

Core 6
Core References
Product x_endress+hauser
https://www.endress.com
Vendor Advisory x_sick psirt security advisories
https://sick.com/psirt
US Government Resource x_ics-cert recommended practices on industrial security
https://www.cisa.gov/resources-tools/resources/ics-recommended-practices
Not Applicable x_cvss v3.1 calculator
https://www.first.org/cvss/calculator/3.1

Scores

CVSS v3 5.3
EPSS 0.0034
EPSS Percentile 25.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-204 CWE-203
Status published
Products (1)
endress/meac300-fnade4_firmware < 0.16.0
Published Jul 03, 2025
Tracked Since Feb 18, 2026