CVE-2021-27426CWE-453

GE UR family insecure default variable initialization

Critical · published March 23, 2022

CVSS v3.1
9.8
EPSS
1%
Percentile
68.2
In the wild
Unconfirmed
What it is

🚨 A sneaky oversight in GE UR IED firmware lets anyone exploit ‘Factory Mode’, a technical backdoor that shouldn’t be hanging around! 🔥 Think of it like a hotel that never changes its master key. Maintenance staff can access any room without restrictions, leaving every guest vulnerable to unauthorized entry! If left unaddressed, an attacker could leverage this flaw to alter configurations or even disrupt operations entirely. This could lead to devastating consequences, potentially putting safety and control systems at risk!

Put simply

Think of it like a hotel that never changes its master key. Maintenance staff can access any room without restrictions, leaving every guest vulnerable to unauthorized entry! The GE UR IED firmware versions prior to 8.1x with the 'Basic' security variant fail to allow disabling of 'Factory Mode', which can enable unauthorized users to perform sensitive operations without proper oversight.

What to do

If left unaddressed, an attacker could leverage this flaw to alter configurations or even disrupt operations entirely. This could lead to devastating consequences, potentially putting safety and control systems at risk! Upgrade the firmware to version 8.1x or later immediately to close off this vulnerability. Regularly review access controls and ensure that ‘Factory Mode’ is not enabled in production environments. 🔒 You've got this! With a quick update, you'll be fortifying your defenses in no time! 🛡️

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
0.01210 · 68.2th percentile
Weakness
CWE-453 · Insecure Default Variable Initialization
Published
2022-03-23T19:46Z
EPSS history
Timeline
  • 23 MAR 19:46Z
    GE UR family insecure default variable initialization
    cvelistv5