What is CVE-2025-54336?

CVE-2025-54336 is a critical-severity vulnerability in N/a, classified under Incorrect Comparison. CVSS score: 9.8/10. Published 2025-08-19.

How severe is CVE-2025-54336?

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

Is CVE-2025-54336 known to be exploited?

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

Vulnerability in N/a

CVE-2025-54336

In Plesk Obsidian 18.0.70, _isAdminPasswordValid uses an == comparison. Thus, if the correct password is "0e" followed by any digit string, then an attacker can login with any other string that evaluates to 0.0 (such as the 0e0 string). Th…

EPSS: 0.005 (40.2th 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-697 — Incorrect Comparison

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

Frequently asked questions

What is CVE-2025-54336?: CVE-2025-54336 is a critical-severity vulnerability in N/a, classified under Incorrect Comparison. CVSS score: 9.8/10. Published 2025-08-19.
How severe is CVE-2025-54336?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2025-54336 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.