CVE-2023-1617CWE-287

Improper Authentication Mechanism in B&R VC4 Visualization

Critical · published April 14, 2023

CVSS v3.1
9.8
EPSS
1%
Percentile
53.3
In the wild
Unconfirmed
What it is

🚨 An unauthenticated attacker can waltz right past the authentication of B&R VC4 devices! This is a game-changer for security! 🔥 Think of it like a VIP party where anyone can just walk in without a ticket. The authentication mechanism? Totally ignored, leaving the door wide open for potential mischief! An attacker could access sensitive visualization features of the VC4, leading to unauthorized actions that might disrupt automated processes or compromise data integrity. The impact could be absolutely devastating depending on what's exposed in the visualization — think of it like a puppeteer pulling strings without anyone noticing!

Put simply

Think of it like a VIP party where anyone can just walk in without a ticket. The authentication mechanism? Totally ignored, leaving the door wide open for potential mischief! This vulnerability is rooted in improper authentication in the VNC-Server modules of the B&R VC4, allowing an attacker to bypass necessary login checks and gain unauthorized access to the system's functionalities.

What to do

An attacker could access sensitive visualization features of the VC4, leading to unauthorized actions that might disrupt automated processes or compromise data integrity. The impact could be absolutely devastating depending on what's exposed in the visualization — think of it like a puppeteer pulling strings without anyone noticing! Ensure you patch your B&R VC4 devices to the latest versions (3.96.8, 4.06.8, 4.16.4, 4.26.9, 4.34.7, 4.45.4, 4.72.10) immediately. Additionally, review your network configurations to limit access to critical systems from unauthorized users. Regular audits are key! You've got this! Stay vigilant and secure your systems with these updates. 🛡️

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
0.00719 · 53.3th percentile
Weakness
CWE-287 · Improper Authentication
Published
2023-04-14T11:48Z
EPSS history
Timeline
  • 14 APR 11:48Z
    Improper Authentication Mechanism in B&R VC4 Visualization
    cvelistv5