How severe is CVE-2025-27451?

CVE-2025-27451 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2025-27451 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-27451?

CVE-2025-27451 affects Endress Meac300-fnade4 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-27451?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-27451 have an EU (EUVD) identifier?

Yes. CVE-2025-27451 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-19848.

When was CVE-2025-27451 published?

CVE-2025-27451 was published on 2025-07-03 and last updated on 2026-06-17.

CVE-2025-27451

CVE-2025-27451 is a medium-severity vulnerability in Endress Meac300-fnade4 Firmware with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-203.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-19848
Weakness: CWE-203
Affected product: Endress Meac300-fnade4 Firmware
Published: 2025-07-03
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2025-27451?: 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.
How severe is CVE-2025-27451?: CVE-2025-27451 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2025-27451 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-27451?: CVE-2025-27451 affects Endress Meac300-fnade4 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-27451?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-27451 have an EU (EUVD) identifier?: Yes. CVE-2025-27451 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-19848.
When was CVE-2025-27451 published?: CVE-2025-27451 was published on 2025-07-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:endress:meac300-fnade4_firmware:*:*:*:*:*:*:*:*

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