What is CVE-2023-37401?

CVE-2023-37401 is a medium-severity vulnerability in IBM Aspera Faspex, classified under Permissive Cross-domain Policy with Untrusted Domains. CVSS score: 5.3/10. Published 2025-10-09.

How severe is CVE-2023-37401?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Is CVE-2023-37401 known to be exploited?

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

Vulnerability in IBM Aspera Faspex

CVE-2023-37401

IBM Aspera Faspex 5.0.0 through 5.0.13.1 uses a cross-domain policy file that includes domains that should not be trusted.

Published 2025-10-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (11.7th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 11.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Weakness classification (CWE)

CWE-942 — Permissive Cross-domain Policy with Untrusted Domains

Public proof-of-concept exploits

References

www.ibm.com/support/pages/node/7247502 (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2023-37401?: CVE-2023-37401 is a medium-severity vulnerability in IBM Aspera Faspex, classified under Permissive Cross-domain Policy with Untrusted Domains. CVSS score: 5.3/10. Published 2025-10-09.
How severe is CVE-2023-37401?: Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2023-37401 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.