CVE-2020-21489

File Upload vulnerability in Feehicms v.2.0.8 allows a remote attacker to execute arbitrary code via the /admin/index.php?r=admin-user%2Fupdate-self component

Critical · published June 20, 2023

CVSS v3.1
9.8
EPSS
1%
Percentile
70.5
In the wild
Unconfirmed
What it is

🚨 A single file upload could lead to remote code execution in Feehicms v2.0.8, making it a playground for cyber mischief! 🔥 Think of this vulnerability like a restaurant where a dishonest patron can walk right into the kitchen and start cooking whatever they please — a recipe for disaster! 🍽️ An attacker could exploit this flaw to execute arbitrary code on your server, potentially leading to data breaches, unauthorized access, and complete control over your system. The stakes are high, and the damage could be absolutely devastating if not addressed quickly! ⚡

Put simply

Think of this vulnerability like a restaurant where a dishonest patron can walk right into the kitchen and start cooking whatever they please — a recipe for disaster! 🍽️ This vulnerability allows an unauthenticated remote attacker to upload malicious files via the /admin/index.php?r=admin-user%2Fupdate-self endpoint, which the server then executes, bypassing security measures.

What to do

An attacker could exploit this flaw to execute arbitrary code on your server, potentially leading to data breaches, unauthorized access, and complete control over your system. The stakes are high, and the damage could be absolutely devastating if not addressed quickly! ⚡ To remediate this vulnerability, you need to patch Feehicms to version 2.0.9 or higher immediately. Additionally, implement strict validation for file uploads to ensure no harmful files can be executed. Regularly auditing and monitoring your server is also a wise practice! 🛡️ You've got this! Take action now, 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
0.01314 · 70.5th percentile
Published
2023-06-20T00:00Z
EPSS history
Timeline
  • 20 JUN 00:00Z
    File Upload vulnerability in Feehicms v.2.0.8 allows a remote attacker to execute arbitrary code via the /admin/index.php?r=admin-user%2Fupdate-self component
    cvelistv5