9.8

CVE-2022-47986: IBM Aspera Faspex Code Execution Vulnerability

KEVRansomware
Analyzed
Published 17-02-2023Last modified 21-10-2025

Vulnerability summary

CVE-2022-47986 is a critical (CVSS 9.8) Deserialization of Untrusted Data vulnerability in IBM Aspera Faspex. It is known to be exploited: CISA lists it, first on 21-02-2023. It has been used in ransomware campaigns. EPSS estimates a 99.97% chance of exploitation in the next 30 days, higher than 99.9% of scored vulnerabilities. 1 public exploit is recorded.

Priority
Act nowransomware

Known ransomware use (CISA, 21-02-2023)

Source freshness unavailable

How is this decided?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
99.97%
0%100%
Critical · 0.00 pp in 30 days
KEVExploited in the wildCritical · listed in 1 catalog
RansomwareKnown useFlagged by CISA
Public exploits1exploit-database

Timeline

  1. 17-02-2023
    PublishedVulnerability first disclosed.
  2. 21-02-2023
    Added to CISA KEVExploitedIBM Aspera Faspex Code Execution Vulnerability
  3. 14-03-2023
    CISA remediation dueDeadline passedApply updates per vendor instructions.
  4. 21-10-2025
    Last modifiedVulnerability information updated.

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 metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

99.97%

Chance of exploitation in the next 30 days

Percentile

100%

Versus all other CVEs

30-day change

No change 0.00 pp

From 99.97% on 11-10-2026

11-10-202610-11-2026

Known exploited

Compare KEV catalogs
CISA KEVListed
Added
21-02-2023
Federal due date
14-03-2023
Ransomware
ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

CISA required action

Apply updates per vendor instructions. exchange.xforce.ibmcloud.com/vulnerabilities/… nvd.nist.gov/vuln/detail/CVE-2022-47986

Public exploits

1 found
  • exploit-databaseremotemultipleUnverified

    IBM Aspera Faspex 4.4.1 - YAML deserialization (RCE)

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ibm1 product
  • aspera_faspex4.4.2 Patch Level 1 and earlier | ≤ 4.4.1 | 4.4.2 | 4.4.2:patch_level_1

1 vendor · 1 product

References

4 links