CVE-2017-7903CWE-521

A Weak Password Requirements issue was discovered in Rockwell Automation Allen-Bradley MicroLogix 1100 programmable-logic controllers 1763-L16AWA, Series A and…

Critical · published June 30, 2017

CVSS v3.1
9.8
EPSS
3%
Percentile
86.1
In the wild
Unconfirmed
What it is

🚨 A tiny password limit means big trouble for Rockwell Automation controllers! Just a few digits could leave your system wide open. 🔥 Think of this like a hotel with flimsy locks that only require a four-digit code for entry. Anyone with the right tools can simply guess the code and walk right in, leaving your precious assets at risk! An attacker could easily gain unauthorized access, potentially leading to catastrophic failures in production processes or even equipment damage. This isn't just a minor oversight; the implications could be absolutely devastating!

Put simply

Think of this like a hotel with flimsy locks that only require a four-digit code for entry. Anyone with the right tools can simply guess the code and walk right in, leaving your precious assets at risk! This vulnerability stems from weak password requirements in specific Allen-Bradley MicroLogix controllers, allowing attackers to exploit the short numeric password limit to gain unauthorized access, potentially compromising operational integrity.

What to do

An attacker could easily gain unauthorized access, potentially leading to catastrophic failures in production processes or even equipment damage. This isn't just a minor oversight; the implications could be absolutely devastating! Immediate action is necessary! Ensure that controllers are updated to the latest firmware, implement longer, more complex passwords, and regularly review and strengthen access controls. Don’t forget to educate your team on best security practices! This is fixable! By taking these steps, you’ll significantly enhance your security posture. You've got this! 🛡️

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
0.02759 · 86.1th percentile
Weakness
CWE-521 · Weak Password Requirements
Published
2017-06-30T02:35Z
EPSS history
Timeline
  • 30 JUN 02:35Z
    A Weak Password Requirements issue was discovered in Rockwell Automation Allen-Bradley MicroLogix 1100 programmable-logic controllers 1763-L16AWA, Series A and…
    cvelistv5