Auth bypass in Creacast Creabox Manager

CVE-2025-57434

Creacast Creabox Manager contains a critical authentication flaw that allows an attacker to bypass login validation. The system grants access when the username is creabox and the password begins with the string creacast, regardless of what follows.

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (39.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 39.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-57434: held from 0.005 to 0.005.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-57434?
CVE-2025-57434 is a high-severity vulnerability in Creacast Creabox Manager, classified under Improper Authentication. CVSS score: 8.8/10. Published 2025-09-22.
How severe is CVE-2025-57434?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2025-57434 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.