Critical 9.8Known exploited (CISA KEV)Published Feb 17, 2023

CVE-2022-47986IBM Aspera Faspex code execution

Updated under an hour ago (2026-10-19 07:00 UTC)

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It affects IBM Aspera Faspex. Add what you run to find out whether that includes you.

CISA lists it as known exploited since Feb 21, 2023; federal agencies had to remediate by Mar 14, 2023, and it is known to be used in ransomware. Treat that date as your deadline.

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Every CVE for IBM Aspera Faspex

Exploited in the last 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.

CVSS: 9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-502
Known exploited: Added to CISA KEV Feb 21, 2023; federal remediation due Mar 14, 2023; known ransomware useApply updates per vendor instructions.
EPSS (exploitation in the next 30 days): 99.97% (percentile 100)
Assigned by: ibm
NVD analysis: Analyzed
Record last updated: Oct 21, 2025
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

IBM Aspera Faspex ibm:aspera_faspex (from the name)	4.4.2 Patch Level 1 and earlier	CNA record
ibm aspera_faspex ibm:aspera_faspex	through 4.4.1; 4.4.2; 4.4.2	NVD

References

https://www.ibm.com/support/pages/node/6952319vendor-advisory, patch
https://exchange.xforce.ibmcloud.com/vulnerabilities/243512vdb-entry, vendor-advisory
http://packetstormsecurity.com/files/171772/IBM-Aspera-Faspex-4.4.1-YAML-Deserialization.htmlthird-party-advisory, vdb-entry
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-47986us-government-resource

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.