What is CVE-2023-27874?

CVE-2023-27874 is a critical-severity vulnerability in IBM Aspera Faspex, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.9/10. Published 2023-03-21.

How severe is CVE-2023-27874?

Critical severity. CVSS v3 base score is 9.9 out of 10.

XXE in IBM Aspera Faspex

CVE-2023-27874

IBM Aspera Faspex 4.4.2 is vulnerable to an XML external entity injection (XXE) attack when processing XML data. A remote authenticated attacker could exploit this vulnerability to execute arbitrary commands. IBM X-Force ID: 249845.

Vulnerability class: XXE (XML External Entity)

Published 2023-03-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.013 (70.9th percentile), scored 2026-10-19.

Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 70.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

IBM Aspera Faspex — versions 4.4.2
IBM Aspera Faspex — versions 4.4.2
Linux Kernel

Weakness classification (CWE)

CWE-611 — Improper Restriction of XML External Entity Reference (XXE)

References

www.ibm.com/support/pages/node/6964694 (vendor-advisory, Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/249845 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2023-27874?: CVE-2023-27874 is a critical-severity vulnerability in IBM Aspera Faspex, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.9/10. Published 2023-03-21.
How severe is CVE-2023-27874?: Critical severity. CVSS v3 base score is 9.9 out of 10.