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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.003 (17.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 17.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.000
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
- www.endress.com (Product, x_Endress+Hauser)
- sick.com/psirt (x_SICK PSIRT Security Advisories, Vendor Advisory)
- www.cisa.gov/resources-tools/resources/ics-recommended-practices (US Government Resource, x_ICS-CERT recommended practices on Industrial Security)
- www.first.org/cvss/calculator/3.1 (x_CVSS v3.1 Calculator, Not Applicable)
- www.sick.com/.well-known/csaf/white/2025/sca-2025-0008.json (x_The canonical URL., Vendor Advisory)
- www.sick.com/.well-known/csaf/white/2025/sca-2025-0008.pdf (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.