CVE-2020-3227

Cisco IOx for IOS XE Software Privilege Escalation Vulnerability

Critical · published June 3, 2020

CVSS v3.0
9.8
EPSS
3%
Percentile
89.1
In the wild
Unconfirmed
What it is

🚨 A crafted API call is all it takes for an attacker to gain access to sensitive commands on your Cisco devices! 🔥 Think of it like a restaurant where anyone can walk in and order any dish without showing a menu or paying — complete chaos in the kitchen! 🍽️ Once exploited, an attacker could execute any IOx API command on the device, potentially leading to unauthorized access and control over critical network functions. This vulnerability is absolutely devastating, as it bypasses crucial security measures and puts your entire network at risk! ⚠️

Put simply

Think of it like a restaurant where anyone can walk in and order any dish without showing a menu or paying — complete chaos in the kitchen! 🍽️ This vulnerability arises from incorrect handling of requests for authorization tokens, allowing an unauthenticated remote attacker to request and obtain a token to execute commands without proper authorization.

What to do

Once exploited, an attacker could execute any IOx API command on the device, potentially leading to unauthorized access and control over critical network functions. This vulnerability is absolutely devastating, as it bypasses crucial security measures and puts your entire network at risk! ⚠️ Immediately update your Cisco IOS XE Software to the latest version where this issue has been patched. Review your network configurations to ensure that only authenticated users can issue API commands and monitor logs for any unauthorized access attempts. You've got this! Follow these steps, and you'll be back in control of your network 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
0.03493 · 89.1th percentile
Published
2020-06-03T17:42Z
EPSS history
Timeline
  • 03 JUN 17:42Z
    Cisco IOx for IOS XE Software Privilege Escalation Vulnerability
    cvelistv5