CVE-2020-21865

ThinkPHP50-CMS v1.0 contains a remote code execution (RCE) vulnerability in the component /public/?s=captcha

published October 7, 2021

CVSS
—
EPSS
2%
Percentile
80.7
In the wild
Unconfirmed
What it is

🚨 An unexpected entry point for remote code execution lurks in ThinkPHP50-CMS v1.0! A simple request to /public/?s=captcha could lead to total system compromise. 🔥 Think of this vulnerability as a restaurant with a back door that’s left wide open, allowing anyone to walk in and take command of the kitchen. If an unauthorized person finds that door, they could cook up a storm—potentially ruining everyone's dinner! If exploited, an attacker could execute arbitrary code, leading to unauthorized access, data manipulation, or even complete control over the server. This is particularly concerning as it gives the malicious actor the keys to the entire system without much effort!

Put simply

Think of this vulnerability as a restaurant with a back door that’s left wide open, allowing anyone to walk in and take command of the kitchen. If an unauthorized person finds that door, they could cook up a storm—potentially ruining everyone's dinner! This remote code execution vulnerability in ThinkPHP50-CMS allows attackers to send crafted requests that the server processes without proper validation, thus executing arbitrary commands.

What to do

If exploited, an attacker could execute arbitrary code, leading to unauthorized access, data manipulation, or even complete control over the server. This is particularly concerning as it gives the malicious actor the keys to the entire system without much effort! To address this vulnerability, update ThinkPHP50-CMS to the latest version that includes security patches. Also, review access controls and monitor your servers for unusual activity to catch any unauthorized attempts. You've got this! With these steps, you can secure your system and keep that back door closed! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02007 · 80.7th percentile
Published
2021-10-07T20:05Z
EPSS history
Timeline
  • 07 OCT 20:05Z
    ThinkPHP50-CMS v1.0 contains a remote code execution (RCE) vulnerability in the component /public/?s=captcha
    cvelistv5