CVE-2025-27451

Name: CVE-2025-27451
Creator: NVD / NIST
Published: 2025-07-03T12:15:22.96+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.34%

Last modified Jun 17, 2026

CVE-2025-27451 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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.. EPSS estimates a 0.34% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.3/10

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

EPSS Probability

0.34%

26.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Endress	Meac300-Fnade4 Firmware	<= 0.16.0

References

https://sick.com/psirtVendor Advisory
https://sick.com/psirtVendor Advisory
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

Timeline

Published: Jul 3, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-27451?

How severe is CVE-2025-27451?

CVE-2025-27451 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.34% probability of exploitation in the next 30 days.

How do I fix CVE-2025-27451?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-27451?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST