CVE-2020-3198CWE-119

Cisco IOS Software for Cisco Industrial Routers Arbitrary Code Execution Vulnerabilities

Critical · published June 3, 2020

CVSS v3.0
9.8
EPSS
5%
Percentile
91.6
In the wild
Unconfirmed
What it is

🔥 Unauthenticated attackers could easily hijack your Cisco routers—just two vulnerable components are all it takes to wreak havoc! 😱 Think of this as a sneaky hacker being handed the keys to a power plant without any ID check—if they get in, they can control everything! An attacker could execute arbitrary code on your Cisco 809 or 829 Industrial Integrated Services Routers, or even crash the system entirely, bringing critical operations to a halt. This isn't just a minor inconvenience; it could lead to significant downtime and operational chaos, impacting everything from safety protocols to communications!

Put simply

Think of this as a sneaky hacker being handed the keys to a power plant without any ID check—if they get in, they can control everything! This vulnerability allows an unauthenticated or authenticated local attacker to run arbitrary code on the affected Cisco IOS Software, potentially gaining complete control over the router and its functions.

What to do

An attacker could execute arbitrary code on your Cisco 809 or 829 Industrial Integrated Services Routers, or even crash the system entirely, bringing critical operations to a halt. This isn't just a minor inconvenience; it could lead to significant downtime and operational chaos, impacting everything from safety protocols to communications! Immediate action is required! Patch your Cisco routers to the latest available firmware to close these vulnerabilities. Regularly audit your network for any unauthorized access attempts and ensure proper access controls are in place. This is fixable! Follow these steps, and you’ll bolster your defenses 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
0.04583 · 91.6th percentile
Weakness
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer
Published
2020-06-03T17:45Z
EPSS history
Timeline
  • 03 JUN 17:45Z
    Cisco IOS Software for Cisco Industrial Routers Arbitrary Code Execution Vulnerabilities
    cvelistv5