CVE-2022-47986KEV · OVERDUECWE-502

IBM Aspera Faspex code execution

Critical · published February 17, 2023

Patch now

Confirmed exploited, and the score agrees

CVSS calls it critical at 9.8. It is confirmed in active exploitation. It sits in the 100.0th percentile for exploit probability.

1320
days past CISA
deadline
CVSS v3.1
9.8
EPSS
100%
Percentile
100.0
In the wild
Confirmed
What it is

🚨 A single crafted API call is all it takes to unleash chaos! IBM Aspera Faspex versions 4.4.2 Patch Level 1 and earlier are vulnerable to a critical remote code execution flaw. 🔥 Think of it like a restaurant where a sneaky patron can place an order for food that wasn’t on the menu — the kitchen just serves up whatever they ask for, no questions asked! In this case, the attacker sends a special command that gets executed as if it were a regular request. Imagine an attacker having full control over your system, able to run any code they choose. This could lead to data theft, system compromise, and a complete loss of control over your environment — absolutely devastating!

Put simply

Think of it like a restaurant where a sneaky patron can place an order for food that wasn’t on the menu — the kitchen just serves up whatever they ask for, no questions asked! In this case, the attacker sends a special command that gets executed as if it were a regular request. This vulnerability arises from a YAML deserialization flaw that allows remote attackers to execute arbitrary code by sending a specially crafted obsolete API call to the server. The flaw exists in IBM Aspera Faspex versions 4.4.2 Patch Level 1 and earlier, which did not fully check the validity of incoming requests.

What to do

Imagine an attacker having full control over your system, able to run any code they choose. This could lead to data theft, system compromise, and a complete loss of control over your environment — absolutely devastating! Immediately upgrade to Faspex version 4.4.2 Patch Level 2 or later to close this vulnerability. Additionally, review and tighten API calls to prevent any unintended execution of commands. Consider implementing web application firewalls to add another layer of protection against such exploits. You've got this! By taking these steps, you’ll be a hero in securing your environment in no time! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.99965 · 100.0th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2023-02-17T15:46Z
KEV added
2023-02-21 · due 2023-03-14
EPSS history
Timeline
  • 21 FEB 00:00Z
    Added to CISA KEV — remediate by Mar 14
    kev
  • 17 FEB 15:46Z
    IBM Aspera Faspex code execution
    cvelistv5