CVE-2020-20184

GateOne allows remote attackers to execute arbitrary commands via shell metacharacters in the port field when attempting an SSH connection

published December 14, 2020

CVSS
—
EPSS
3%
Percentile
85.6
In the wild
Unconfirmed
What it is

🚨 A crafty command injection vulnerability lets attackers run arbitrary commands during SSH connections in GateOne! 🔥 Think of it like a waiter who serves a diner anything they write on their order form without checking if it’s safe or even real. Just one sneaky entry can lead to a rogue meal that spoils the whole restaurant! If an attacker exploits this, they could execute any command they want on the server, potentially gaining control or wreaking havoc. This could lead to unauthorized access, data leaks, or even complete system compromise—making it a potential nightmare for admins and users alike!

Put simply

Think of it like a waiter who serves a diner anything they write on their order form without checking if it’s safe or even real. Just one sneaky entry can lead to a rogue meal that spoils the whole restaurant! This vulnerability occurs when the port field in an SSH connection allows shell metacharacters, enabling malicious users to inject and execute commands directly on the server. It’s a direct line to run unauthorized operations without any authentication needed!

What to do

If an attacker exploits this, they could execute any command they want on the server, potentially gaining control or wreaking havoc. This could lead to unauthorized access, data leaks, or even complete system compromise—making it a potential nightmare for admins and users alike! To remediate this vulnerability, validate and sanitize the input for the port field to ensure no shell metacharacters are allowed. Additionally, consider updating GateOne to the latest version and review your application’s security practices to prevent similar issues. You've got this! With a little diligence, you can secure your systems and keep those command-happy attackers at bay! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02684 · 85.6th percentile
Published
2020-12-14T19:56Z
EPSS history
Timeline
  • 14 DEC 19:56Z
    GateOne allows remote attackers to execute arbitrary commands via shell metacharacters in the port field when attempting an SSH connection
    cvelistv5