CVE-2022-47986: IBM Aspera Faspex Code Execution Vulnerability

Critical severity, CVSS 9.8. Actively exploited: in CISA KEV since 2023-02-21. EPSS: 100% chance of exploitation in the next 30 days.

IBM Aspera Faspex 4.4.2 Patch Level 1 and earlier could allow a remote attacker to execute arbitrary code on the system, caused by a YAML deserialization flaw. By sending a specially crafted obsolete API call, an attacker could exploit this vulnerability to execute arbitrary code on the system. The obsolete API call was removed in Faspex 4.4.2 PL2. IBM X-Force ID: 243512.

Affected products

• IBM Aspera Faspex: up to and including 4.4.1; version 4.4.2 only

Published 2023-02-17. Last modified 2026-06-17.