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UK Cyber Defence
VulnerabilityAnalyzed

CVE-2022-47986

IBM Aspera Faspex Code Execution Vulnerability

KEVEXPLOITCRITICAL 9.8EPSS 100.0%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 14 March 2023). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

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.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
99.97% probability · 100th percentile
Public exploits
1 in Exploit-DB · first 7 April 2023
CISA KEV
Listed 21 February 2023 · due 14 March 2023 · used in ransomware campaigns
Weakness
CWE-502
Affected
ibm/aspera faspex
Source
psirt@us.ibm.com
EPSS trend
0%50%100%30 October 2026: 99.97%30 October 202630 October 2026

EPSS 100.0% since 30 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

CISA notes

Apply updates per vendor instructions. https://exchange.xforce.ibmcloud.com/vulnerabilities/243512?_ga=2.189195179.1800390251.1676559338-700333034.1676325890; https://nvd.nist.gov/vuln/detail/CVE-2022-47986

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-51316source ↗IBM Aspera Faspex 4.4.1 - YAML deserialization (RCE)multiple · Maurice Lambertremote7 April 2023no

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.