CVE-2020-37123CWE-78

Pinger 1.0 - Remote Code Execution

Critical · published February 5, 2026

CVSS v4.0
9.3
EPSS
3%
Percentile
88.8
In the wild
Unconfirmed
What it is

🔥 Just a sneaky ping command can unleash chaos! Pinger 1.0 is vulnerable to a remote code execution flaw that lets attackers inject shell commands through unsanitized input. 🚨 Think of it as a waiter who takes orders without checking the menu — they just assume every request is valid. This oversight allows an attacker to serve themselves a full course of malicious commands right from the kitchen! The consequences here are absolutely devastating. An attacker could potentially write arbitrary PHP files and execute system commands, gaining complete control over the server. Imagine the data loss and damage to reputation if sensitive information or system functionality gets compromised!

Put simply

Think of it as a waiter who takes orders without checking the menu — they just assume every request is valid. This oversight allows an attacker to serve themselves a full course of malicious commands right from the kitchen! CVE-2020-37123 allows attackers to exploit unsanitized input in ping.php. By injecting shell metacharacters through the ping and socket parameters, they can execute arbitrary commands on the server.

What to do

The consequences here are absolutely devastating. An attacker could potentially write arbitrary PHP files and execute system commands, gaining complete control over the server. Imagine the data loss and damage to reputation if sensitive information or system functionality gets compromised! Immediate action is critical! Upgrade Pinger to version 1.1 or later to close this exploit. Additionally, implement input validation to sanitize user inputs and prevent similar vulnerabilities in the future. You've got this! Patch up and secure your system like the hero you are! 🛡️

The record
Technical detail
CVSS v4.0
9.3 · CRITICAL
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.03395 · 88.8th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-02-05T16:13Z
EPSS history
Timeline
  • 05 FEB 16:13Z
    Pinger 1.0 - Remote Code Execution
    cvelistv5