IBM Aspera Faspex 4.4.1 YAML deserialization

CVSS Meta Temp Score
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CTI Interest Score
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9.7$0-$5k0.00

Summaryinfo

A vulnerability marked as very critical has been reported in IBM Aspera Faspex 4.4.1. Affected by this issue is some unknown functionality of the component YAML Handler. This manipulation causes deserialization. This vulnerability is registered as CVE-2022-47986. Remote exploitation of the attack is possible. Furthermore, an exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as very critical was found in IBM Aspera Faspex 4.4.1. Affected by this vulnerability is an unknown code of the component YAML Handler. The manipulation with an unknown input leads to a deserialization vulnerability. The CWE definition for the vulnerability is CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was published 02/17/2023. The advisory is shared at ibm.com. This vulnerability is known as CVE-2022-47986 since 12/28/2022. Technical details are unknown but a public exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/27/2025). It is expected to see the exploit prices for this product increasing in the near future.

It is possible to download the exploit at exploit-db.com. It is declared as attacked. We expect the 0-day to have been worth approximately $5k-$25k. The CISA Known Exploited Vulnerabilities Catalog lists this issue since 02/21/2023 with a due date of 03/14/2023:

Apply updates per vendor instructions.

Upgrading to version 4.4.2 PL2 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (243512) and Exploit-DB (51316). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.7

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 9.8
CNA Vector (IBM Corporation): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Attacked
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Aspera Faspex 4.4.2 PL2

Timelineinfo

12/28/2022 🔍
02/17/2023 +51 days 🔍
02/17/2023 +0 days 🔍
10/27/2025 +983 days 🔍

Sourcesinfo

Vendor: ibm.com

Advisory: ibm.com
Status: Confirmed

CVE: CVE-2022-47986 (🔍)
GCVE (CVE): GCVE-0-2022-47986
GCVE (VulDB): GCVE-100-221365
X-Force: 243512

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 02/17/2023 20:29
Updated: 10/27/2025 15:31
Changes: 02/17/2023 20:29 (51), 04/28/2024 09:11 (26), 09/16/2024 20:01 (4), 09/27/2024 13:18 (1), 02/14/2025 02:33 (11), 10/27/2025 15:31 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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