CVE-2022-43976

An issue was discovered in FC46-WebBridge on GE Grid Solutions MS3000 devices before 3.7.6.25p0_3.2.2.17p0_4.7p0

Critical · published January 17, 2023

CVSS v3.1
9.8
EPSS
1%
Percentile
52.7
In the wild
Unconfirmed
What it is

🚨 Direct access to an unprotected API on port 8888? That’s like leaving your front door open with a sign that says ‘Welcome!’ 🔥 Think of your device as a high-security vault, but someone left the combination lock unlocked. Attackers can waltz right in without breaking a sweat, as they can access sensitive functions directly without any authentication checks. An attacker could exploit this glaring oversight to manipulate settings, extract sensitive data, or even launch broader attacks within your infrastructure. This could lead to absolute chaos and compromise your entire system—definitely not a situation you want to find yourself in!

Put simply

Think of your device as a high-security vault, but someone left the combination lock unlocked. Attackers can waltz right in without breaking a sweat, as they can access sensitive functions directly without any authentication checks. This vulnerability allows direct access to the FC46-WebBridge API on TCP port 8888 without any authentication, thanks to programs located in the cgi-bin folder. Essentially, the system trusts anything that comes its way on that port, which is a recipe for disaster.

What to do

An attacker could exploit this glaring oversight to manipulate settings, extract sensitive data, or even launch broader attacks within your infrastructure. This could lead to absolute chaos and compromise your entire system—definitely not a situation you want to find yourself in! To mitigate this risk, upgrade your GE Grid Solutions MS3000 devices to version 3.7.6.25p0_3.2.2.17p0_4.7p0 immediately. Additionally, ensure that proper firewall rules are in place to restrict access to this port. Regularly audit your devices to ensure configurations are secure. You've got this! Follow these steps, and you’ll be one step closer to superhero security status! 🛡️

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
0.00704 · 52.7th percentile
Published
2023-01-17T00:00Z
EPSS history
Timeline
  • 17 JAN 00:00Z
    An issue was discovered in FC46-WebBridge on GE Grid Solutions MS3000 devices before 3.7.6.25p0_3.2.2.17p0_4.7p0
    cvelistv5