CVE-2021-41290CWE-434

ECOA BAS controller - Path Traversal-1

Critical · published September 30, 2021

CVSS v3.1
9.8
EPSS
2%
Percentile
83.3
In the wild
Unconfirmed
What it is

🚨 An unauthenticated POST request is all it takes to exploit this vulnerability! Attackers can set arbitrary values on the ECOA BAS controller, opening the door to some serious chaos. 🔥 Think of it like a restaurant where anyone can walk up to the kitchen and change the orders without anyone checking who they are. Just a simple note slipped to the chef can lead to a dish that’s not on the menu—or worse, something entirely unsafe! An attacker could gain complete control over the device, allowing for remote code execution. This means they could manipulate the system in devastating ways, potentially compromising sensitive data or disrupting critical operations. The stakes are incredibly high!

Put simply

Think of it like a restaurant where anyone can walk up to the kitchen and change the orders without anyone checking who they are. Just a simple note slipped to the chef can lead to a dish that’s not on the menu—or worse, something entirely unsafe! This vulnerability allows unauthenticated attackers to conduct arbitrary file writes and path traversals via POST parameters, essentially letting them execute code on the affected ECOA BAS controller without any authorization checks.

What to do

An attacker could gain complete control over the device, allowing for remote code execution. This means they could manipulate the system in devastating ways, potentially compromising sensitive data or disrupting critical operations. The stakes are incredibly high! Immediately update the ECOA BAS controller to the latest version to patch this vulnerability. Review your configuration to ensure no unauthorized access is permitted, and consider implementing tighter access controls. Don't delay on this one! You've got this! With the right steps, you can secure your systems and protect your data. 🛡️

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
0.02322 · 83.3th percentile
Weakness
CWE-434 · Unrestricted Upload of File with Dangerous Type
Published
2021-09-30T10:40Z
EPSS history
Timeline
  • 30 SEP 10:40Z
    ECOA BAS controller - Path Traversal-1
    cvelistv5