Auth bypass in Endress Meac300-fnade4
CVE-2025-27461
During startup, the device automatically logs in the EPC2 Windows user without requesting a password.
Vulnerability class: Broken Access Control
EPSS: 0.002 (12.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.6 (High). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Endress Meac300-fnade4
- Endress Meac300-fnade4_firmware
- Endress+hauser Meac300-fnade4 — versions vers:all/*
Weakness classification (CWE)
Public proof-of-concept exploits
References
- psirt@sick.de (Product, x_Endress+Hauser)
- psirt@sick.de (x_SICK PSIRT Security Advisories, Vendor Advisory)
- psirt@sick.de (US Government Resource, x_ICS-CERT recommended practices on Industrial Security)
- psirt@sick.de (x_CVSS v3.1 Calculator, Not Applicable)
- psirt@sick.de (x_The canonical URL., Vendor Advisory)
- psirt@sick.de (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-27461?
- CVE-2025-27461 is a high-severity vulnerability in Endress Meac300-fnade4, classified under Missing Authorization. CVSS score: 7.6/10. Published 2025-07-03.
- How severe is CVE-2025-27461?
- High severity. CVSS v3 base score is 7.6 out of 10.
- Is CVE-2025-27461 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.