CVE-2020-29491CWE-276

Dell Wyse ThinOS 8.6 and prior versions contain an insecure default configuration vulnerability

Critical · published January 4, 2021

CVSS v3.1
10.0
EPSS
2%
Percentile
78.6
In the wild
Unconfirmed
What it is

🚨 A shocking default configuration flaw in Dell Wyse ThinOS could leave your network open for an unauthorized intruder! 🔥 Think of it like a hotel room left wide open, with the front desk handing out keys to anyone who asks — all while unaware of the danger lurking nearby. This vulnerability allows attackers a direct route into sensitive local network information without needing to break down any doors. An attacker could exploit this vulnerability to access sensitive data on your local network. With the possibility of compromising impacted thin clients, the situation could escalate quickly, leading to data breaches and potential loss of confidential information — absolutely devastating!

Put simply

Think of it like a hotel room left wide open, with the front desk handing out keys to anyone who asks — all while unaware of the danger lurking nearby. This vulnerability allows attackers a direct route into sensitive local network information without needing to break down any doors. This vulnerability exists due to an insecure default configuration in Dell Wyse ThinOS 8.6 and earlier versions, allowing remote unauthenticated attackers to gain unauthorized access to network resources.

What to do

An attacker could exploit this vulnerability to access sensitive data on your local network. With the possibility of compromising impacted thin clients, the situation could escalate quickly, leading to data breaches and potential loss of confidential information — absolutely devastating! Immediately check Wyse ThinOS configurations and update to version 8.7 or later to secure your system. Ensure that default settings are adjusted to align with security best practices. Regularly audit network access controls to prevent unauthorized access. You've got this! Follow these steps, and you'll be well on your way to locking down your network securely. 🛡️

The record
Technical detail
CVSS v3.1
10.0 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01819 · 78.6th percentile
Weakness
CWE-276 · Incorrect Default Permissions
Published
2021-01-04T21:15Z
EPSS history
Timeline
  • 04 JAN 21:15Z
    Dell Wyse ThinOS 8.6 and prior versions contain an insecure default configuration vulnerability
    cvelistv5