CVE-2025-49187: User enumeration

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: 2025-06-12 · 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

SICK AG SICK Field Analytics: all versions

References

https://cdn.sick.com/media/docs/1/11/411/Special_information_CYBERSECURITY_BY_SICK_en_IM0084411.PDF
https://sick.com/psirt
https://www.cisa.gov/resources-tools/resources/ics-recommended-practices
https://www.first.org/cvss/calculator/3.1
https://www.sick.com/.well-known/csaf/white/2025/sca-2025-0007.json
https://www.sick.com/.well-known/csaf/white/2025/sca-2025-0007.pdf

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