CVE-2020-7357CWE-78

Cayin CMS Command Injection

Critical · published August 6, 2020

CVSS v3.1
9.6
EPSS
32%
Percentile
98.3
In the wild
Unconfirmed
What it is

🚨 Just a clever POST request can lead to full root access! Cayin CMS has a semi-blind command injection flaw that exploits default credentials — like a VIP pass that anyone can get! 🔥 Think of this vulnerability like an unlocked back door at a restaurant that only allows certain staff in. If someone knows the right code, they can waltz right in, change the menu, and do just about anything without anyone noticing — chaos at the chefs' table! An attacker with valid credentials could inject and run arbitrary shell commands on the server as the root user. This means they could potentially take control of the entire system, steal sensitive data, or disrupt operations — absolutely devastating for any organization relying on this CMS!

Put simply

Think of this vulnerability like an unlocked back door at a restaurant that only allows certain staff in. If someone knows the right code, they can waltz right in, change the menu, and do just about anything without anyone noticing — chaos at the chefs' table! This vulnerability in Cayin CMS allows authenticated users to exploit the 'NTP_Server_IP' parameter in system.cgi, leading to remote command execution. By using default credentials, an attacker can execute arbitrary commands, putting the system at severe risk.

What to do

An attacker with valid credentials could inject and run arbitrary shell commands on the server as the root user. This means they could potentially take control of the entire system, steal sensitive data, or disrupt operations — absolutely devastating for any organization relying on this CMS! Immediately change all default credentials to strong, unique passwords. Patch the application to the latest version, and review security configurations to block unauthorized commands. Ensuring all users have the least privilege necessary will help mitigate risks. Don't wait! You've got this! With these steps, you'll be on your way to securing the system in no time. 🛡️

The record
Technical detail
CVSS v3.1
9.6 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.32094 · 98.3th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2020-08-06T15:45Z
EPSS history
Timeline
  • 06 AUG 15:45Z
    Cayin CMS Command Injection
    cvelistv5