CVE-2021-25200

Arbitrary file upload vulnerability in SourceCodester Learning Management System v 1.0 allows attackers to execute arbitrary code, via the file upload to…

published July 28, 2021

CVSS
—
EPSS
2%
Percentile
79.2
In the wild
Unconfirmed
What it is

🚨 A crafty file upload vulnerability in SourceCodester Learning Management System 1.0 could let attackers execute arbitrary code just by uploading a file! Think of it like a sneaky pizza delivery guy who can drop off any package at your front door without anyone verifying what’s inside — all it takes is one mislabelled box to potentially cause chaos! If exploited, an attacker could gain full control of the server, allowing them to steal sensitive data, manipulate user accounts, or even bring the entire system to its knees. This could be absolutely devastating for an institution relying on the Learning Management System for its operations!

Put simply

Think of it like a sneaky pizza delivery guy who can drop off any package at your front door without anyone verifying what’s inside — all it takes is one mislabelled box to potentially cause chaos! This vulnerability arises from inadequate validation of uploaded files in the \lms\student_avatar.php script, allowing attackers to upload malicious code disguised as harmless files.

What to do

If exploited, an attacker could gain full control of the server, allowing them to steal sensitive data, manipulate user accounts, or even bring the entire system to its knees. This could be absolutely devastating for an institution relying on the Learning Management System for its operations! To remediate this, ensure that file uploads are properly validated, restrict upload types to only safe formats (like images), and implement server-side checks to prevent code execution. Additionally, consider updating to a newer version if available to close off this pathway! You’ve got this! Follow the steps to secure your system and protect your users. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01874 · 79.2th percentile
Published
2021-07-28T16:01Z
EPSS history
Timeline
  • 28 JUL 16:01Z
    Arbitrary file upload vulnerability in SourceCodester Learning Management System v 1.0 allows attackers to execute arbitrary code, via the file upload to…
    cvelistv5