CVE-2025-27451: CVE-2025-27451

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-07-03 · updated 2026-06-17
Weakness: CWE-204

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.

Affected products

Endress+Hauser MEAC300-FNADE4: through 0.16.0

References

https://sick.com/psirt
https://sick.com/psirt
https://sick.com/psirt
https://sick.com/psirt
https://www.cisa.gov/resources-tools/resources/ics-recommended-practices
https://www.endress.com
https://www.first.org/cvss/calculator/3.1
https://www.sick.com/.well-known/csaf/white/2025/sca-2025-0008.json
https://www.sick.com/.well-known/csaf/white/2025/sca-2025-0008.pdf

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