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Fencer Vulns
critical 9.8

CVE-2022-47986 kev+ ransomware in the critical feed json

IBM Aspera Faspex code execution

published 2023-02-17 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-50700

cvss
9.8
version 3.1, CNA
cisa kev
Exploited
added 2023-02-21, used in ransomware
epss
100.0%
EPSS 100.0% chance of exploitation in 30 days, percentile 99.9%
public exploits
1
Exploit-DB, plus a Nuclei check

Summary

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.

Patch / fix

cisa required action Apply updates per vendor instructions.

Timeline

  1. Published
  2. Added to CISA KEV
  3. CISA patch deadline
  4. First public exploit (EDB-51316)
  5. CISA SSVC: exploitation active

Known exploited

Added
3 y ago
Patch by
2023-03-14 (3 y ago)
Ransomware
Known to be used in ransomware campaigns
Required action
Apply updates per vendor instructions.
Vendor, product
IBM, Aspera Faspex
CISA name
IBM Aspera Faspex Code Execution Vulnerability

Ransomware

Groups reported to have exploited it in intrusions.

  • IceFire ransomware gang
  • Buhti ransomware gang

reported by sentinelone.comsecurity.com

Ransomware Vulnerability Matrix by BushidoUK (github.com/BushidoUK/Ransomware-Vulnerability-Matrix), reformatted per CVE. CC BY 4.0

CISA SSVC

Exploitation
Active, exploited in the wild
Automatable
yes
Technical impact
total
Assessed
21 mo ago

Exploit prediction

99.97% chance of exploitation in the next 30 days, higher than 99.9% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-51316 IBM Aspera Faspex 4.4.1 - YAML deserialization (RCE) remote, 2023-04-07
  • Nuclei template IBM Aspera Faspex <=4.4.2 PL1 - Remote Code Execution nuclei detection template

CVSS scores

assigned by version score vector
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • IBM Aspera Faspex

Classification

Weakness
  • CWE-502 Deserialization of Untrusted Data

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.