CVE-2022-40765: Mitel MiVoice Connect Command Injection Vulnerability

KEVRansomware

Analyzed

Published 22-11-2022Last modified 21-10-2025

Vulnerability summary

CVE-2022-40765 is a medium (CVSS 6.8) vulnerability in Mitel MiVoice Connect. It is known to be exploited: CISA lists it, first on 21-02-2023. It has been used in ransomware campaigns. EPSS estimates a 10.57% chance of exploitation in the next 30 days, higher than 95.7% of scored vulnerabilities.

Priority

Act nowransomware

Known ransomware use (CISA, 21-02-2023)

Source freshness unavailable

How is this decided?

CVSS score

6.8/10

010

Medium · v3.1 (CVE.org)

EPSS score

10.57%

0%100%

Medium · 0.00 pp in 30 days

KEVExploited in the wildCritical · listed in 1 catalog

RansomwareKnown useFlagged by CISA

Public exploits0No public exploits recorded

Timeline

22-11-2022
PublishedVulnerability first disclosed.
21-02-2023
Added to CISA KEVExploitedMitel MiVoice Connect Command Injection Vulnerability
14-03-2023
CISA remediation dueDeadline passedApply updates per vendor instructions.
21-10-2025
Last modifiedVulnerability information updated.

Description

A vulnerability in the Edge Gateway component of Mitel MiVoice Connect through 19.3 (22.22.6100.0) could allow an authenticated attacker with internal network access to conduct a command-injection attack, due to insufficient restriction of URL parameters.

CVSS metrics

2 scores · 2 sources · 1 version

v3.16.8

EPSS trend

Probability

10.57%

Chance of exploitation in the next 30 days

Percentile

96%

Versus all other CVEs

30-day change

No change 0.00 pp

From 10.57% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs

CISA KEVListed

Added: 21-02-2023
Federal due date: 14-03-2023

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

CISA required action

Apply updates per vendor instructions. www.mitel.com/support/security-advisories/mitel-product-security-advisory-22-0007 nvd.nist.gov/vuln/detail/CVE-2022-40765

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

CWE-77Improper Neutralization of Special Elements used in a CommandThe product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.

Affected systems

Version check

Known conditions: adjacent network, administrative account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Mitel1 product

mivoice_connect≤ 22.22.6100.0

1 vendor · 1 product

References

3 links

www.mitel.com/support/security-advisoriesVendor Advisory
www.mitel.com/support/security-advisories/mitel-product-security-advisory-22-0007MitigationVendor Advisory
www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-40765Government ResourceUS Government Resource