CVE-2021-1291CWE-472

Cisco Small Business RV160, RV160W, RV260, RV260P, and RV260W VPN Routers Remote Code Execution Vulnerabilities

Critical · published February 4, 2021

CVSS v3.1
9.8
EPSS
4%
Percentile
91.0
In the wild
Unconfirmed
What it is

🚨 A crafty HTTP request is all it takes to take over your Cisco VPN Router! 🌐✨ Think of this like a restaurant that doesn't check the ID of a guest before letting them into the kitchen. If someone walks in with a clever ruse, they could cook up a storm without anyone being the wiser! An attacker could leverage this vulnerability to execute arbitrary code on your device with root privileges, resulting in total control over your network. This could mean accessing sensitive data, changing configurations, or even launching attacks on other networks, which could be absolutely devastating for your organization! 🔥

Put simply

Think of this like a restaurant that doesn't check the ID of a guest before letting them into the kitchen. If someone walks in with a clever ruse, they could cook up a storm without anyone being the wiser! These vulnerabilities arise because the web-based management interface fails to properly validate HTTP requests. By sending a specially crafted request, an unauthenticated attacker could execute any code they desire on the affected router models: RV160, RV160W, RV260, RV260P, and RV260W.

What to do

An attacker could leverage this vulnerability to execute arbitrary code on your device with root privileges, resulting in total control over your network. This could mean accessing sensitive data, changing configurations, or even launching attacks on other networks, which could be absolutely devastating for your organization! 🔥 To protect your devices, update to the latest firmware versions provided by Cisco. Ensure you've applied security best practices by restricting access to the management interface and using strong authentication methods to mitigate risks. 🛡️ You've got this! Follow these steps to secure your routers and keep your network safe! 🌟💪

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.04236 · 91.0th percentile
Weakness
CWE-472 · External Control of Assumed-Immutable Web Parameter
Published
2021-02-04T16:56Z
EPSS history
Timeline
  • 04 FEB 16:56Z
    Cisco Small Business RV160, RV160W, RV260, RV260P, and RV260W VPN Routers Remote Code Execution Vulnerabilities
    cvelistv5