CVE-2015-6490

Stack-based buffer overflow on Allen-Bradley MicroLogix 1100 devices before B FRN 15.000 and 1400 devices through B FRN 15.003 allows remote attackers to…

Critical · published October 28, 2015

CVSS v3.1
9.8
EPSS
7%
Percentile
94.1
In the wild
Unconfirmed
What it is

🚨 A stack-based buffer overflow in Allen-Bradley MicroLogix 1100 and 1400 devices could let attackers execute arbitrary code, potentially turning your factory floor into a digital battleground! 🔥 Think of it like a factory assembly line where one miscalibrated machine sends too many products down the line, overwhelming the next machine and causing chaos — in this case, that's your device running unauthorized code! An attacker could gain control over the device, disrupt operations, and execute harmful commands, potentially leading to a complete shutdown of critical processes. The consequences could be absolutely devastating, affecting safety and productivity. Imagine the chaos of a factory operating on autopilot without any oversight!

Put simply

Think of it like a factory assembly line where one miscalibrated machine sends too many products down the line, overwhelming the next machine and causing chaos — in this case, that's your device running unauthorized code! This vulnerability allows remote attackers to exploit a stack-based buffer overflow, resulting in arbitrary code execution on devices running vulnerable firmware versions. If connected to a network, it’s a serious security flaw that must be addressed immediately.

What to do

An attacker could gain control over the device, disrupt operations, and execute harmful commands, potentially leading to a complete shutdown of critical processes. The consequences could be absolutely devastating, affecting safety and productivity. Imagine the chaos of a factory operating on autopilot without any oversight! To protect your systems, patch your MicroLogix 1100 devices to B FRN 15.000 or later, and your 1400 devices to B FRN 15.003 or later. Ensure that network access is restricted and monitor your systems for any abnormal behavior while you update. You've got this! Follow these steps, and you'll reinforce your defenses like a pro! 🛡️

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
0.07022 · 94.1th percentile
Published
2015-10-28T10:00Z
EPSS history
Timeline
  • 28 OCT 10:00Z
    Stack-based buffer overflow on Allen-Bradley MicroLogix 1100 devices before B FRN 15.000 and 1400 devices through B FRN 15.003 allows remote attackers to…
    cvelistv5