CVE-2022-41217CWE-434

Cloudflow - Unauthenticated file upload vulnerability

Critical · published February 22, 2023

CVSS v3.1
9.8
EPSS
1%
Percentile
53.1
In the wild
Unconfirmed
What it is

🚨 An unauthenticated file upload flaw in Cloudflow could let attackers drop malicious files into the built-in storage — think of it as a package delivery service that doesn’t check what’s inside the parcels! 🔥 Imagine a delivery service that accepts any package without inspecting it. That’s what Cloudflow is doing, allowing anyone to send in potentially harmful files without any verification, just like a courier letting anyone drop off a suspicious box at the front desk! If exploited, an attacker could upload harmful files that may compromise system integrity, execute malicious scripts, or even gain unauthorized access to sensitive data. This could lead to disastrous consequences, including data breaches or complete system takeover!

Put simply

Imagine a delivery service that accepts any package without inspecting it. That’s what Cloudflow is doing, allowing anyone to send in potentially harmful files without any verification, just like a courier letting anyone drop off a suspicious box at the front desk! This vulnerability allows unauthenticated users to upload arbitrary files into the Cloudflow Proofscope storage, bypassing any security measures. Since there's no validation on uploaded content, it opens the door wide for attackers.

What to do

If exploited, an attacker could upload harmful files that may compromise system integrity, execute malicious scripts, or even gain unauthorized access to sensitive data. This could lead to disastrous consequences, including data breaches or complete system takeover! Immediately patch to the latest version that addresses this vulnerability! Implement file validation controls to ensure only safe and approved file types can be uploaded. Regularly audit your storage for any unauthorized files. You've got this! Follow these steps, 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
0.00712 · 53.1th percentile
Weakness
CWE-434 · Unrestricted Upload of File with Dangerous Type
Published
2023-02-22T14:42Z
EPSS history
Timeline
  • 22 FEB 14:42Z
    Cloudflow - Unauthenticated file upload vulnerability
    cvelistv5