CVE-2025-27456 — HIGH (7.5)

Vulnerability Description

The SMB server's login mechanism does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame, making it susceptible to brute-force attacks.

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Endress	Meac300-Fnade4 Firmware	All versions
Endress	Meac300-Fnade4	-

Related Weaknesses (CWE)

CWE-307

References

https://sick.com/psirtVendor Advisory
https://sick.com/psirtVendor Advisory
https://www.cisa.gov/resources-tools/resources/ics-recommended-practicesUS Government Resource
https://www.endress.comProduct
https://www.first.org/cvss/calculator/3.1Not Applicable
https://www.sick.com/.well-known/csaf/white/2025/sca-2025-0008.jsonVendor Advisory
https://www.sick.com/.well-known/csaf/white/2025/sca-2025-0008.pdfVendor Advisory

FAQ

What is CVE-2025-27456?

CVE-2025-27456 is a vulnerability with a CVSS score of 7.5 (HIGH). The SMB server's login mechanism does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame, making it susceptible to brute-force attacks.

How severe is CVE-2025-27456?

CVE-2025-27456 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-27456?

Check the references section above for vendor advisories and patch information. Affected products include: Endress Meac300-Fnade4 Firmware, Endress Meac300-Fnade4.