CVE-2023-20078CWE-121

Cisco IP Phone 6800, 7800, 7900, and 8800 Series Web UI Vulnerabilities

Critical · published March 3, 2023

CVSS v3.1
9.8
EPSS
10%
Percentile
95.7
In the wild
Unconfirmed
What it is

🔥 An unauthenticated remote attacker can exploit multiple vulnerabilities in Cisco IP Phones' web management interface, allowing for arbitrary code execution! Picture a restaurant where anyone can walk in and start cooking — that's how easy it is for an attacker to hijack these IP Phones! Without proper authentication, they can take over the system like a rogue chef wreaking havoc in the kitchen. This could lead to absolute chaos: attackers could run malicious code, disrupt service, or even shut down the phones entirely. Imagine critical communications going dark when they’re needed most — a true nightmare for any organization!

Put simply

Picture a restaurant where anyone can walk in and start cooking — that's how easy it is for an attacker to hijack these IP Phones! Without proper authentication, they can take over the system like a rogue chef wreaking havoc in the kitchen. These vulnerabilities allow unauthorized access to the web-based management interface of certain Cisco IP Phones, enabling attackers to execute arbitrary code or trigger a denial of service (DoS). This means they can manipulate the phone's behavior with minimal effort.

What to do

This could lead to absolute chaos: attackers could run malicious code, disrupt service, or even shut down the phones entirely. Imagine critical communications going dark when they’re needed most — a true nightmare for any organization! Patch your Cisco IP Phones immediately to the latest secure version as recommended by Cisco. Additionally, review your network settings to ensure proper access controls are in place, preventing unauthorized access to the management interface. You've got this! By taking these steps, you're locking down your systems and keeping your communications 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
0.10351 · 95.7th percentile
Weakness
CWE-121 · Stack-based Buffer Overflow
Published
2023-03-03T00:00Z
EPSS history
Timeline
  • 03 MAR 00:00Z
    Cisco IP Phone 6800, 7800, 7900, and 8800 Series Web UI Vulnerabilities
    cvelistv5