CVE-2022-29499KEV · OVERDUECWE-20

Mitel MiVoice Connect Data Validation Vulnerability

Critical · published April 26, 2022

Patch now

Confirmed exploited, and the score agrees

CVSS calls it critical at 9.8. It is confirmed in active exploitation. It sits in the 99.0th percentile for exploit probability.

1558
days past CISA
deadline
CVSS v3.1
9.8
EPSS
55%
Percentile
99.0
In the wild
Confirmed
What it is

🚨 A single data validation error in Mitel MiVoice Connect could let attackers execute malicious code remotely, and it’s happening now! 🔥 Think of it like a restaurant that lets patrons walk into the kitchen without checking their orders — one wrong move and they could toss raw ingredients into the chef's special, ruining the whole meal! An attacker could gain total control over the affected appliances, leading to unauthorized access and manipulation of sensitive information. This could result in a complete service disruption or even data breaches that compromise your organization’s integrity and security!

Put simply

Think of it like a restaurant that lets patrons walk into the kitchen without checking their orders — one wrong move and they could toss raw ingredients into the chef's special, ruining the whole meal! This vulnerability arises from the Service Appliance component's failure to validate incoming data properly, allowing malicious commands to be executed without proper authorization.

What to do

An attacker could gain total control over the affected appliances, leading to unauthorized access and manipulation of sensitive information. This could result in a complete service disruption or even data breaches that compromise your organization’s integrity and security! Immediately update your Mitel MiVoice Connect to the latest patch (19.2 SP4 or later) to address this flaw. Additionally, conduct a security audit of your configurations and monitor for any unusual activity on your appliances. You've got this! By taking swift action, you'll safeguard your systems and protect your network. 🛡️

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
0.55242 · 99.0th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2022-04-26T06:15Z
KEV added
2022-06-27 · due 2022-07-18
Affected products (1)
ProductVersionsFixed in
mitel/mivoice_connect≤ 22.20.2300.0—
References (3)
EPSS history
Timeline
  • 27 JUN 00:00Z
    Added to CISA KEV — remediate by Jul 18
    kev
  • 26 APR 01:13Z
    The Service Appliance component in Mitel MiVoice Connect through 19.2 SP3 allows remote code execution because of incorrect data validation
    cvelistv5