CVE-2021-28506CWE-285

An issue has recently been discovered in Arista EOS where certain gNOI APIs incorrectly skip authorization and authentication which could potentially allow a factory reset of the device.

Critical · published January 14, 2022

CVSS v3.1
9.1
EPSS
1%
Percentile
72.6
In the wild
Unconfirmed
What it is

🚨 A single misconfigured API call in Arista EOS could wipe your device clean, like a factory reset button that anyone can press! 🔥 Think of it as a hotel where a guest can simply walk up to the front desk and request an entire room key set, leaving no verification or authentication required. It's a recipe for disaster! An attacker could remotely reset your network device, erasing crucial configurations and potentially disrupting your entire network operations. This vulnerability is a treasure map for mischief-makers, leading straight to chaos and downtime, which can be absolutely devastating!

Put simply

Think of it as a hotel where a guest can simply walk up to the front desk and request an entire room key set, leaving no verification or authentication required. It's a recipe for disaster! This vulnerability arises from certain gNOI APIs in Arista EOS that overlook necessary authorization and authentication checks, allowing unauthorized users to perform a factory reset on the device.

What to do

An attacker could remotely reset your network device, erasing crucial configurations and potentially disrupting your entire network operations. This vulnerability is a treasure map for mischief-makers, leading straight to chaos and downtime, which can be absolutely devastating! It's essential to patch your Arista EOS to the latest version immediately to close this security hole. Additionally, review your API configurations to ensure proper authentication measures are in place and limit access to these critical functions. You've got this! Secure your devices, and you'll be back in control in no time. 🛡️

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01418 · 72.6th percentile
Weakness
CWE-285 · Improper Authorization
Published
2022-01-14T19:04Z
EPSS history
Timeline
  • 14 JAN 19:04Z
    An issue has recently been discovered in Arista EOS where certain gNOI APIs incorrectly skip authorization and authentication which could potentially allow a factory reset of the device.
    cvelistv5