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

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: yes — in CISA KEV since 2023-02-21
EPSS: 100.0% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-02-17 · updated 2026-06-17
Weakness: CWE-502

Description

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: through 4.4.1; 4.4.2, 4.4.2-patch_level_1

References

http://packetstormsecurity.com/files/171772/IBM-Aspera-Faspex-4.4.1-YAML-Deserialization.html
https://exchange.xforce.ibmcloud.com/vulnerabilities/243512
https://www.ibm.com/support/pages/node/6952319
http://packetstormsecurity.com/files/171772/IBM-Aspera-Faspex-4.4.1-YAML-Deserialization.html
https://exchange.xforce.ibmcloud.com/vulnerabilities/243512
https://www.ibm.com/support/pages/node/6952319
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-47986

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