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CVE-2022-47986

KEVRansomware UseIBM Aspera Faspex Code Execution Vulnerability
Description

IBM Aspera Faspex could allow a remote attacker to execute code on the system, caused by a YAML deserialization flaw.

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 3.1 vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
PublishedFeb 17, 2023
Last modifiedJun 17, 2026
Added to KEVFeb 21, 2023
Remediation dueMar 14, 2023
References
0 recent articles mention this CVE
    99
    Risk assessment · Critical

    Actively exploited and used by ransomware crews. Patch immediately.

    Exploitation
    Confirmed in the wild (CISA KEV)
    Federal remediation deadline
    Overdue by 1322 days
    Ransomware
    Used in known ransomware campaigns
    CVSS
    9.8 CRITICAL
    EPSS (30-day exploit probability)
    100.0% · top 1% of all CVEs
    Weakness
    CWE-502
    Attack vector
    Network, remotely reachable
    Preconditions
    No privileges and no user interaction
    Recommended actions
    1. 1.Apply updates per vendor instructions.
    2. 2.Treat as emergency change: patch or isolate internet-facing instances first.
    3. 3.Review exposure: confirm which instances are reachable from the internet and restrict access until patched.
    4. 4.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
    5. 5.Verify offline/immutable backups and segment the affected systems. This flaw is used for ransomware initial access.

    Assessment is derived automatically from the live signals above; verify against your own asset inventory.