CVE-2019-6533CWE-306

Registers used to store Modbus values can be read and written from the web interface without authentication in the PR100088 Modbus gateway versions prior to…

published February 12, 2019

CVSS
—
EPSS
1%
Percentile
68.4
In the wild
Unconfirmed
What it is

⚡ A crafty oversight lets anyone read and write Modbus values from the web interface without any authentication in older versions of the PR100088 Modbus gateway! Think of it like a front desk clerk handing out room keys to random guests without checking their ID — anyone could waltz in and access sensitive information or make changes. 🏨 This means that an attacker could tamper with or extract critical data stored within the Modbus registers, leading to unauthorized control or exposure of sensitive operational parameters. The ramifications could be as severe as disrupting industrial processes or leaking confidential information! ⚠️

Put simply

Think of it like a front desk clerk handing out room keys to random guests without checking their ID — anyone could waltz in and access sensitive information or make changes. 🏨 The flaw allows unrestricted access to registers used for Modbus values through the web interface in versions prior to Release R02 (or Software Version 1.1.13166). Essentially, it lacks proper authentication checks, enabling malicious actors to access and alter data freely.

What to do

This means that an attacker could tamper with or extract critical data stored within the Modbus registers, leading to unauthorized control or exposure of sensitive operational parameters. The ramifications could be as severe as disrupting industrial processes or leaking confidential information! ⚠️ To mitigate this vulnerability, immediately upgrade to Release R02 or Software Version 1.1.13166. Additionally, tighten your overall network security by implementing authentication protocols for web interfaces. Don't leave your front door wide open! 🚪 You've got this! With a quick update and a few security tweaks, you'll have your system locked down in no time. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01226 · 68.4th percentile
Weakness
CWE-306 · Missing Authentication for Critical Function
Published
2019-02-12T17:00Z
EPSS history
Timeline
  • 12 FEB 17:00Z
    Registers used to store Modbus values can be read and written from the web interface without authentication in the PR100088 Modbus gateway versions prior to…
    cvelistv5