CVE-2020-3531CWE-306

Cisco IoT Field Network Director Unauthenticated REST API Vulnerability

Critical · published November 18, 2020

CVSS v3.0
9.8
EPSS
2%
Percentile
82.4
In the wild
Unconfirmed
What it is

🚨 A sneaky REST API vulnerability means an attacker could waltz right in and access your database without breaking a sweat! 🔥 Think of it like a restaurant where anyone can walk into the kitchen without a reservation or a staff badge — they can order whatever they want straight from the chef without any authentication checks! If exploited, an attacker could read, alter, or even delete critical information stored in the back-end database. This could lead to data breaches or even complete control over the affected devices, which is absolutely devastating for your operations.

Put simply

Think of it like a restaurant where anyone can walk into the kitchen without a reservation or a staff badge — they can order whatever they want straight from the chef without any authentication checks! This vulnerability in Cisco IoT Field Network Director arises because it fails to properly authenticate REST API calls, allowing attackers to leverage obtained CSRF tokens to access restricted database operations.

What to do

If exploited, an attacker could read, alter, or even delete critical information stored in the back-end database. This could lead to data breaches or even complete control over the affected devices, which is absolutely devastating for your operations. To defend against this, immediately update your Cisco IoT Field Network Director to the latest version. Additionally, consider implementing stricter authentication mechanisms for API calls to ensure only authorized users can access sensitive data. Don't let this slip through the cracks! You've got this! Follow these steps, and you'll have your systems secured in no time! 🛡️

The record
Technical detail
CVSS v3.0
9.8 · CRITICAL
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.02200 · 82.4th percentile
Weakness
CWE-306 · Missing Authentication for Critical Function
Published
2020-11-18T17:41Z
EPSS history
Timeline
  • 18 NOV 17:41Z
    Cisco IoT Field Network Director Unauthenticated REST API Vulnerability
    cvelistv5