What is CVE-2025-51543?

CVE-2025-51543 is a critical-severity vulnerability in N/a, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2025-08-19.

How severe is CVE-2025-51543?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2025-51543 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in N/a

CVE-2025-51543

An issue was discovered in Cicool builder 3.4.4 allowing attackers to reset the administrator's password via the /administrator/auth/reset_password endpoint.

Vulnerability class: Broken Authentication

EPSS: 0.003 (26.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

N/a — versions n/a

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

Frequently asked questions

What is CVE-2025-51543?: CVE-2025-51543 is a critical-severity vulnerability in N/a, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2025-08-19.
How severe is CVE-2025-51543?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2025-51543 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.