Auth bypass in Fortra Filecatalyst

CVE-2025-8450

Improper Access Control issue in the Workflow component of Fortra's FileCatalyst allows unauthenticated users to upload arbitrary files via the order forms page.

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H.

EPSS exploit prediction

EPSS: 0.003 (18.3th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 18.3% 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-2025-8450: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-8450?
CVE-2025-8450 is a high-severity vulnerability in Fortra Filecatalyst, classified under Missing Authentication for Critical Function. CVSS score: 8.2/10. Published 2025-08-19.
How severe is CVE-2025-8450?
High severity. CVSS v3 base score is 8.2 out of 10.
Is CVE-2025-8450 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.