5.3

CVE-2025-27451: endress meac300-fnade4_firmware Observable Response Discrepancy

CVSS: 5.3v3.1MediumAnalyzed
Published 03-07-2025Last modified 03-07-2025
Open JSON

Vulnerability summary

CVE-2025-27451 is a medium (CVSS 5.3) Observable Response Discrepancy vulnerability in endress meac300-fnade4_firmware. EPSS estimates a 0.43% chance of exploitation in the next 30 days, higher than 35.8% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.43%
0%100%
Low · +0.05 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 03-07-2025
    PublishedVulnerability first disclosed.
  2. 03-07-2025
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.43%

Chance of exploitation in the next 30 days

Percentile

36%

Versus all other CVEs

30-day change

+0.05 pp

From 0.38% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.43%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Endress1 product
Endress+hauser1 product

2 vendors · 2 products

References

6 links