CVE-2025-27451

CVE-2025-27451

Published Jul 3, 2025 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Solution

Customers are strongly advised to update to the newest version.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-19848 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.
History
Type Values Removed Values Added
First Time appeared Endress
Endress meac300-fnade4
Endress meac300-fnade4 Firmware
Weaknesses CWE-203
CPEs cpe:2.3:h:endress:meac300-fnade4:-:*:*:*:*:*:*:*
cpe:2.3:o:endress:meac300-fnade4_firmware:*:*:*:*:*:*:*:*
Vendors & Products Endress
Endress meac300-fnade4
Endress meac300-fnade4 Firmware
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title CVE-2025-27451
Weaknesses CWE-204
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
SICK AG
Published
Updated
Jul 3, 2025, 1:16 PM
Reserved
Feb 26, 2025, 8:39 AM
Status
Analyzed
Published
Jul 3, 2025, 12:15 PM
Modified
Jun 17, 2026, 9:03 AM