CVE-2025-27451

Published: Jul 3, 2025

Modified: Jul 3, 2025

PUBLISHED

CVSS v3.1

5.3

MEDIUM

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.

Vendor	Product	Versions
Endress+Hauser	Endress+Hauser MEAC300-FNADE4	affected `0 - <= <=0.16.0`
Endress+Hauser	Endress+Hauser MEAC300-FNADE4	unaffected `>=0.17.0`

Weaknesses (CWE)

CWE-204

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

References

https://www.endress.com

x_Endress+Hauser

https://sick.com/psirt

x_SICK PSIRT Security Advisories

https://www.cisa.gov/resources-tools/resources/ics-recommended-practices

x_ICS-CERT recommended practices on Industrial Security

https://www.first.org/cvss/calculator/3.1

x_CVSS v3.1 Calculator

https://www.sick.com/.well-known/csaf/white/2025/sca-2025-0008.json

x_The canonical URL.

https://sick.com/psirt

vendor-advisory

https://www.sick.com/.well-known/csaf/white/2025/sca-2025-0008.pdf

vendor-advisory

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CVE-2025-27451

Description

Affected Products

Weaknesses (CWE)

CVSS v3.1 Details

References