CVE-2020-18879

Unrestricted File Upload in Bludit v3.8.1 allows remote attackers to execute arbitrary code by uploading malicious files via the component…

published August 20, 2021

CVSS
—
EPSS
3%
Percentile
87.8
In the wild
Unconfirmed
What it is

⚠️ An unrestricted file upload vulnerability in Bludit v3.8.1 could let attackers execute arbitrary code with just a malicious file! 🚨 Think of it as a kitchen where anyone can sneak in and swap a perfectly good recipe for a spicy disaster — without anyone checking what ingredients are being added! 🍽️ If exploited, an attacker could upload a harmful file, leading to remote code execution and giving them the keys to the system. Imagine a chef serving a meal that could endanger everyone at the table — it’s that serious!

Put simply

Think of it as a kitchen where anyone can sneak in and swap a perfectly good recipe for a spicy disaster — without anyone checking what ingredients are being added! 🍽️ This vulnerability allows attackers to upload harmful files through the 'bl-kereln/ajax/upload-logo.php' component, bypassing any checks that should prevent such actions.

What to do

If exploited, an attacker could upload a harmful file, leading to remote code execution and giving them the keys to the system. Imagine a chef serving a meal that could endanger everyone at the table — it’s that serious! To safeguard your system, upgrade to Bludit v3.8.2 where this vulnerability is resolved. Additionally, implement strict file type validations and consider using a file upload library that enforces security checks. 🛡️ You've got this! Follow those steps, and you'll keep your digital kitchen safe in no time! 🔥

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.03133 · 87.8th percentile
Published
2021-08-20T13:20Z
EPSS history
Timeline
  • 20 AUG 13:20Z
    Unrestricted File Upload in Bludit v3.8.1 allows remote attackers to execute arbitrary code by uploading malicious files via the component…
    cvelistv5