CVE-2022-22989CWE-121

Pre-authenticated stack overflow vulnerability on FTP Service

Critical · published January 13, 2022

CVSS v3.1
9.8
EPSS
1%
Percentile
70.4
In the wild
Unconfirmed
What it is

🚨 A pre-authenticated stack overflow vulnerability in My Cloud OS 5's FTP service could let unauthenticated attackers dance right through your network! 🔥 Think of this vulnerability like a faulty elevator with a button that never stops at the right floor; anyone able to use it can access restricted levels without a proper key. The stack overflow could allow attackers to gain control without even logging in! An attacker could exploit this vulnerability to take over critical systems, potentially letting them manipulate files, access sensitive data, or even disable your service. The consequences could be absolutely devastating, leaving your data and devices wide open!

Put simply

Think of this vulnerability like a faulty elevator with a button that never stops at the right floor; anyone able to use it can access restricted levels without a proper key. The stack overflow could allow attackers to gain control without even logging in! This vulnerability arises from a lack of proper input validation in the FTP service, allowing an attacker to send carefully crafted data that overflows the stack, potentially executing arbitrary code. With an impressive CVSS score of 9.8, it's a serious threat!

What to do

An attacker could exploit this vulnerability to take over critical systems, potentially letting them manipulate files, access sensitive data, or even disable your service. The consequences could be absolutely devastating, leaving your data and devices wide open! Immediately patch My Cloud OS 5 to the latest version to defend against this vulnerability. Also, consider implementing additional network segmentation or firewall rules to restrict access to the FTP service only to trusted hosts. Don't wait—act now! You've got this! Follow these steps, and you'll be a security hero 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
0.01310 · 70.4th percentile
Weakness
CWE-121 · Stack-based Buffer Overflow
Published
2022-01-13T20:27Z
EPSS history
Timeline
  • 13 JAN 20:27Z
    Pre-authenticated stack overflow vulnerability on FTP Service
    cvelistv5