CVE-2020-3258CWE-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
91.9
In the wild
Unconfirmed
What it is

🚨 An unauthenticated remote attacker can execute arbitrary code on your Cisco equipment! That's like giving a thief the keys to your tech kingdom. 🔥 Think of this like a café where a rogue customer can slip behind the counter and start brewing their own concoctions without the staff ever noticing — chaos ensues! With this vulnerability, an attacker could not only crash your system but also take complete control, running malicious code at will. This could lead to unauthorized access to sensitive data, a potential loss of service, and a severely compromised network. It's an absolute nightmare for anyone relying on these routers!

Put simply

Think of this like a café where a rogue customer can slip behind the counter and start brewing their own concoctions without the staff ever noticing — chaos ensues! The vulnerabilities in Cisco IOS Software for specific routers allow both unauthenticated remote and authenticated local attackers to execute arbitrary code or cause system crashes, leading to severe disruption.

What to do

With this vulnerability, an attacker could not only crash your system but also take complete control, running malicious code at will. This could lead to unauthorized access to sensitive data, a potential loss of service, and a severely compromised network. It's an absolute nightmare for anyone relying on these routers! Immediate action is crucial! Update your Cisco routers to the latest firmware version to patch these vulnerabilities. Regularly check for updates and ensure that your network access is restricted to authorized users only. 🛡️ You can handle this! Follow these steps, and you’ll have your network fortified 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
0.04762 · 91.9th percentile
Weakness
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer
Published
2020-06-03T17:56Z
EPSS history
Timeline
  • 03 JUN 17:56Z
    Cisco IOS Software for Cisco Industrial Routers Arbitrary Code Execution Vulnerabilities
    cvelistv5