CVE-2023-20079CWE-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 attacker can execute arbitrary code on vulnerable Cisco IP Phones! Just think about it — allowing someone to control your phone remotely? That's definitely a big red flag! 🔥 It's like leaving your front door unlocked while a stranger wanders in with a master key — they could mess with your security settings, make calls, or even turn your phone off entirely, causing total chaos! If exploited, this vulnerability could grant attackers complete control over the affected devices, leading to unauthorized code execution or causing a denial of service (DoS) condition. It’s absolutely devastating to think that someone could disrupt communication capabilities at will!

Put simply

It's like leaving your front door unlocked while a stranger wanders in with a master key — they could mess with your security settings, make calls, or even turn your phone off entirely, causing total chaos! This vulnerability in the web-based management interface of certain Cisco IP Phones allows remote attackers to execute arbitrary code or initiate a DoS condition without any authentication, exposing sensitive functionalities to exploitation.

What to do

If exploited, this vulnerability could grant attackers complete control over the affected devices, leading to unauthorized code execution or causing a denial of service (DoS) condition. It’s absolutely devastating to think that someone could disrupt communication capabilities at will! Patch your Cisco IP Phones immediately to the latest versions provided by the manufacturer. Review your network configurations to ensure that only authorized personnel have access to management interfaces. It's also wise to keep an eye on updates from Cisco regarding further mitigations! You've got this! By taking these steps, you can lock down your devices and keep your communications secure. 🛡️

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
0.10314 · 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